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2100200201000 = 235311307621913
BaseRepresentation
bin11110100011111101101…
…011111101101100101000
321102202222120012110100122
4132203331223331230220
5233402202222413000
64244452455022412
7304506630105656
oct36437553755450
97382876173318
102100200201000
1173a765296960
1229b04896aa08
1312308169b735
1473916345dd6
153996eab1085
hex1e8fdafdb28

2100200201000 has 128 divisors (see below), whose sum is σ = 5378710296960. Its totient is φ = 761220288000.

The previous prime is 2100200200979. The next prime is 2100200201017. The reversal of 2100200201000 is 1020020012.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3066044 + ... + 3687956.

It is an arithmetic number, because the mean of its divisors is an integer number (42021174195).

Almost surely, 22100200201000 is an apocalyptic number.

2100200201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100200201000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2689355148480).

2100200201000 is an abundant number, since it is smaller than the sum of its proper divisors (3278510095960).

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

2100200201000 is a wasteful number, since it uses less digits than its factorization.

2100200201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622252 (or 622238 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 2100200201000 its reverse (1020020012), we get a palindrome (2101220221012).

The spelling of 2100200201000 in words is "two trillion, one hundred billion, two hundred million, two hundred one thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 200 220 250 275 307 440 500 550 614 1000 1100 1228 1375 1535 2200 2456 2750 3070 3377 5500 6140 6754 7675 11000 12280 13508 15350 16885 27016 30700 33770 38375 61400 67540 76750 84425 135080 153500 168850 307000 337700 422125 621913 675400 844250 1243826 1688500 2487652 3109565 3377000 4975304 6219130 6841043 12438260 13682086 15547825 24876520 27364172 31095650 34205215 54728344 62191300 68410430 77739125 124382600 136820860 155478250 171026075 190927291 273641720 310956500 342052150 381854582 621913000 684104300 763709164 855130375 954636455 1368208600 1527418328 1710260750 1909272910 2100200201 3420521500 3818545820 4200400402 4773182275 6841043000 7637091640 8400800804 9546364550 10501001005 16801601608 19092729100 21002002010 23865911375 38185458200 42004004020 47731822750 52505005025 84008008040 95463645500 105010010050 190927291000 210020020100 262525025125 420040040200 525050050250 1050100100500 2100200201000