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10232130121 = 31750364171
BaseRepresentation
bin10011000011110000…
…11110101001001001
3222102002120001210021
421201320132221021
5131423411130441
64411154020441
7511363446103
oct114170365111
928362501707
1010232130121
114380852894
121b96877721
13c70b14185
146d0d0a573
153ed4623d1
hex261e1ea49

10232130121 has 8 divisors (see below), whose sum is σ = 10284974784. Its totient is φ = 10179415440.

The previous prime is 10232130113. The next prime is 10232130143. The reversal of 10232130121 is 12103123201.

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 10232130121 - 23 = 10232130113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10232130095 and 10232130104.

It is not an unprimeable number, because it can be changed into a prime (10232130521) 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, 127366 + ... + 191536.

It is an arithmetic number, because the mean of its divisors is an integer number (1285621848).

Almost surely, 210232130121 is an apocalyptic number.

It is an amenable number.

10232130121 is a deficient number, since it is larger than the sum of its proper divisors (52844663).

10232130121 is an equidigital number, since it uses as much as digits as its factorization.

10232130121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64991.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10232130121 its reverse (12103123201), we get a palindrome (22335253322).

The spelling of 10232130121 in words is "ten billion, two hundred thirty-two million, one hundred thirty thousand, one hundred twenty-one".

Divisors: 1 317 503 64171 159451 20342207 32278013 10232130121