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31427672413 = 39839788867
BaseRepresentation
bin11101010001001111…
…000011100101011101
310000010020201011202011
4131101033003211131
51003330441004123
622234312031221
72161543544044
oct352117034535
9100106634664
1031427672413
1112368113495
126111092511
132c6b0b2287
141741cc155b
15c3e137e0d
hex7513c395d

31427672413 has 4 divisors (see below), whose sum is σ = 31428501120. Its totient is φ = 31426843708.

The previous prime is 31427672411. The next prime is 31427672467.

31427672413 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31427672413 - 21 = 31427672411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31427672411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354595 + ... + 434272.

It is an arithmetic number, because the mean of its divisors is an integer number (7857125280).

Almost surely, 231427672413 is an apocalyptic number.

It is an amenable number.

31427672413 is a deficient number, since it is larger than the sum of its proper divisors (828707).

31427672413 is an equidigital number, since it uses as much as digits as its factorization.

31427672413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828706.

The product of its digits is 169344, while the sum is 40.

The spelling of 31427672413 in words is "thirty-one billion, four hundred twenty-seven million, six hundred seventy-two thousand, four hundred thirteen".

Divisors: 1 39839 788867 31427672413