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10231123210021 = 78591701500617
BaseRepresentation
bin1001010011100001111001…
…1101101110111100100101
31100020002022120022211012001
42110320132131232330211
52320111320020210041
633432040233325301
72104113525252040
oct224703635567445
940202276284161
1010231123210021
113294aa436659a
121192a3a566831
13592a384589ac
142752908b9c57
1512b20590e131
hex94e1e76ef25

10231123210021 has 8 divisors (see below), whose sum is σ = 11706324251840. Its totient is φ = 8759325171168.

The previous prime is 10231123209941. The next prime is 10231123210097. The reversal of 10231123210021 is 12001232113201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10231123210021 - 27 = 10231123209893 is a prime.

It is a super-2 number, since 2×102311232100212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10231123310021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 850744296 + ... + 850756321.

It is an arithmetic number, because the mean of its divisors is an integer number (1463290531480).

Almost surely, 210231123210021 is an apocalyptic number.

It is an amenable number.

10231123210021 is a deficient number, since it is larger than the sum of its proper divisors (1475201041819).

10231123210021 is an equidigital number, since it uses as much as digits as its factorization.

10231123210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701501483.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10231123210021 its reverse (12001232113201), we get a palindrome (22232355323222).

The spelling of 10231123210021 in words is "ten trillion, two hundred thirty-one billion, one hundred twenty-three million, two hundred ten thousand, twenty-one".

Divisors: 1 7 859 6013 1701500617 11910504319 1461589030003 10231123210021