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23719530613 = 435231054717
BaseRepresentation
bin10110000101110010…
…110101000001110101
32021020001111000000211
4112011302311001311
5342034144434423
614521355505421
71466535453322
oct260562650165
967201430024
1023719530613
11a072069469
12471b758271
13231017911c
1412102abb49
1593c58e10d
hex585cb5075

23719530613 has 8 divisors (see below), whose sum is σ = 24317578208. Its totient is φ = 23123593584.

The previous prime is 23719530599. The next prime is 23719530623. The reversal of 23719530613 is 31603591732.

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 23719530613 - 29 = 23719530101 is a prime.

It is a super-2 number, since 2×237195306132 (a number of 22 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 (23719530623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504870 + ... + 549847.

It is an arithmetic number, because the mean of its divisors is an integer number (3039697276).

Almost surely, 223719530613 is an apocalyptic number.

It is an amenable number.

23719530613 is a deficient number, since it is larger than the sum of its proper divisors (598047595).

23719530613 is a wasteful number, since it uses less digits than its factorization.

23719530613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055283.

The product of its (nonzero) digits is 102060, while the sum is 40.

The spelling of 23719530613 in words is "twenty-three billion, seven hundred nineteen million, five hundred thirty thousand, six hundred thirteen".

Divisors: 1 43 523 22489 1054717 45352831 551616991 23719530613