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312132103123123 = 1744834095630593
BaseRepresentation
bin100011011111000011110101…
…1001000010011000010110011
31111221011112111221100122211101
41012332013223020103002303
5311402433021344414443
63023503301510425231
7122513541330512203
oct10676075310230263
91457145457318741
10312132103123123
1190500532a44a38
122b011361962217
1310521c1460b77a
1457113bad40403
15261441407584d
hex11be1eb2130b3

312132103123123 has 8 divisors (see below), whose sum is σ = 330566536502928. Its totient is φ = 293705861013504.

The previous prime is 312132103123117. The next prime is 312132103123151. The reversal of 312132103123123 is 321321301231213.

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 312132103123123 - 225 = 312132069568691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312132103123091 and 312132103123100.

It is not an unprimeable number, because it can be changed into a prime (312132103129123) 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, 2047739086 + ... + 2047891507.

It is an arithmetic number, because the mean of its divisors is an integer number (41320817062866).

Almost surely, 2312132103123123 is an apocalyptic number.

312132103123123 is a deficient number, since it is larger than the sum of its proper divisors (18434433379805).

312132103123123 is a wasteful number, since it uses less digits than its factorization.

312132103123123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4095635093.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 312132103123123 its reverse (321321301231213), we get a palindrome (633453404354336).

The spelling of 312132103123123 in words is "three hundred twelve trillion, one hundred thirty-two billion, one hundred three million, one hundred twenty-three thousand, one hundred twenty-three".

Divisors: 1 17 4483 76211 4095630593 69625720081 18360711948419 312132103123123