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23534506213 = 291018034997
BaseRepresentation
bin10101111010110001…
…000001000011100101
32020202011022210021021
4111322301001003211
5341144313144323
614451150051141
71462131000511
oct257261010345
966664283237
1023534506213
119a87684939
1246897a9ab1
1322b0a3632a
1411d38a7141
1592b1e205d
hex57ac410e5

23534506213 has 8 divisors (see below), whose sum is σ = 24587093880. Its totient is φ = 22497988800.

The previous prime is 23534506201. The next prime is 23534506241. The reversal of 23534506213 is 31260543532.

It can be written as a sum of positive squares in 4 ways, for example, as 5304645889 + 18229860324 = 72833^2 + 135018^2 .

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 23534506213 - 213 = 23534498021 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 (23534506013) 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, 4014570 + ... + 4020427.

It is an arithmetic number, because the mean of its divisors is an integer number (3073386735).

Almost surely, 223534506213 is an apocalyptic number.

It is an amenable number.

23534506213 is a deficient number, since it is larger than the sum of its proper divisors (1052587667).

23534506213 is a wasteful number, since it uses less digits than its factorization.

23534506213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8035127.

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 23534506213 in words is "twenty-three billion, five hundred thirty-four million, five hundred six thousand, two hundred thirteen".

Divisors: 1 29 101 2929 8034997 233014913 811534697 23534506213