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10201112210120 = 23513349190129569
BaseRepresentation
bin1001010001110010000110…
…1010110110101011001000
31100010012212001100001210012
42110130201222312223020
52314113334211210440
633410154245411052
72102002033050356
oct224344152665310
940105761301705
1010201112210120
1132832a399a137
121189063a09a88
1358cc64a11ba0
14273a44c0a7d6
1512a54ad60e65
hex94721ab6ac8

10201112210120 has 128 divisors (see below), whose sum is σ = 24802783740000. Its totient is φ = 3753669427200.

The previous prime is 10201112210077. The next prime is 10201112210161. The reversal of 10201112210120 is 2101221110201.

It can be written as a sum of positive squares in 16 ways, for example, as 3909000484 + 10197203209636 = 62522^2 + 3193306^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10201112210095 and 10201112210104.

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, 344978696 + ... + 345008264.

Almost surely, 210201112210120 is an apocalyptic number.

10201112210120 is a gapful number since it is divisible by the number (10) 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 10201112210120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12401391870000).

10201112210120 is an abundant number, since it is smaller than the sum of its proper divisors (14601671529880).

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

10201112210120 is a wasteful number, since it uses less digits than its factorization.

10201112210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31843 (or 31839 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10201112210120 its reverse (2101221110201), we get a palindrome (12302333320321).

The spelling of 10201112210120 in words is "ten trillion, two hundred one billion, one hundred twelve million, two hundred ten thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 349 520 698 1396 1745 1901 2792 3490 3802 4537 6980 7604 9074 9505 13960 15208 18148 19010 22685 24713 29569 36296 38020 45370 49426 59138 76040 90740 98852 118276 123565 147845 181480 197704 236552 247130 295690 384397 494260 591380 663449 768794 988520 1182760 1326898 1537588 1921985 2653796 3075176 3317245 3843970 5307592 6634490 7687940 8624837 10319581 13268980 15375880 17249674 20639162 26537960 34499348 41278324 43124185 51597905 56210669 68998696 82556648 86248370 103195810 112421338 134154553 172496740 206391620 224842676 268309106 281053345 344993480 412783240 449685352 536618212 562106690 670772765 730738697 1073236424 1124213380 1341545530 1461477394 2248426760 2683091060 2922954788 3653693485 5366182120 5845909576 7307386970 14614773940 19617523481 29229547880 39235046962 78470093924 98087617405 156940187848 196175234810 255027805253 392350469620 510055610506 784700939240 1020111221012 1275139026265 2040222442024 2550278052530 5100556105060 10201112210120