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10231023212120 = 2354094611356547
BaseRepresentation
bin1001010011100001100010…
…0000010001011001011000
31100020002001121011101212002
42110320120200101121120
52320111113420241440
633432022302140132
72104111202266004
oct224703040213130
940202047141762
1010231023212120
113294a529766a7
121192a10b81648
13592a20816139
142752814c9704
1512b1ebc5a115
hex94e18811658

10231023212120 has 64 divisors (see below), whose sum is σ = 23126158994400. Its totient is φ = 4073544852480.

The previous prime is 10231023212087. The next prime is 10231023212141. The reversal of 10231023212120 is 2121232013201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10231023212092 and 10231023212101.

It is a congruent number.

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, 6863687 + ... + 8220233.

Almost surely, 210231023212120 is an apocalyptic number.

10231023212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10231023212120 is an abundant number, since it is smaller than the sum of its proper divisors (12895135782280).

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

10231023212120 is a wasteful number, since it uses less digits than its factorization.

10231023212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357428 (or 1357424 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10231023212120 its reverse (2121232013201), we get a palindrome (12352255225321).

The spelling of 10231023212120 in words is "ten trillion, two hundred thirty-one billion, twenty-three million, two hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 409 461 818 922 1636 1844 2045 2305 3272 3688 4090 4610 8180 9220 16360 18440 188549 377098 754196 942745 1356547 1508392 1885490 2713094 3770980 5426188 6782735 7541960 10852376 13565470 27130940 54261880 554827723 625368167 1109655446 1250736334 2219310892 2501472668 2774138615 3126840835 4438621784 5002945336 5548277230 6253681670 11096554460 12507363340 22193108920 25014726680 255775580303 511551160606 1023102321212 1278877901515 2046204642424 2557755803030 5115511606060 10231023212120