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20210210202112 = 29797452312853
BaseRepresentation
bin1001001100001100011100…
…11001100110001000000000
32122120002002022001012100221
410212012032121212020000
510122111002302431422
6110552235320152424
74154065564165660
oct446061631461000
978502068035327
1020210210202112
1164921138641a7
122324a5a608714
13b37a78a0a208
144dc27237c1a0
15250aa988a3c7
hex12618e666200

20210210202112 has 160 divisors (see below), whose sum is σ = 46639360639872. Its totient is φ = 8569662603264.

The previous prime is 20210210202043. The next prime is 20210210202137. The reversal of 20210210202112 is 21120201201202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1572405478 + ... + 1572418330.

Almost surely, 220210210202112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20210210202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23319680319936).

20210210202112 is an abundant number, since it is smaller than the sum of its proper divisors (26429150437760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20210210202112 is an equidigital number, since it uses as much as digits as its factorization.

20210210202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17498 (or 17482 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20210210202112 its reverse (21120201201202), we get a palindrome (41330411403314).

The spelling of 20210210202112 in words is "twenty trillion, two hundred ten billion, two hundred ten million, two hundred two thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 97 112 128 194 224 256 388 448 512 679 776 896 1358 1552 1792 2716 3104 3584 4523 5432 6208 9046 10864 12416 12853 18092 21728 24832 25706 31661 36184 43456 49664 51412 63322 72368 86912 89971 102824 126644 144736 173824 179942 205648 253288 289472 347648 359884 411296 438731 506576 578944 719768 822592 877462 1013152 1157888 1246741 1439536 1645184 1754924 2026304 2315776 2493482 2879072 3071117 3290368 3509848 4052608 4986964 5758144 6142234 6580736 7019696 8105216 8727187 9973928 11516288 12284468 14039392 16210432 17454374 19947856 23032576 24568936 28078784 34908748 39895712 46065152 49137872 56157568 58134119 69817496 79791424 98275744 112315136 116268238 139634992 159582848 196551488 224630272 232536476 279269984 319165696 393102976 406938833 465072952 558539968 638331392 786205952 813877666 930145904 1117079936 1572411904 1627755332 1860291808 2234159872 3255510664 3720583616 4468319744 5639009543 6511021328 7441167232 11278019086 13022042656 14882334464 22556038172 26044085312 29764668928 39473066801 45112076344 52088170624 78946133602 90224152688 104176341248 157892267204 180448305376 208352682496 315784534408 360896610752 631569068816 721793221504 1263138137632 1443586443008 2526276275264 2887172886016 5052552550528 10105105101056 20210210202112