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23664611453 = 731109053509
BaseRepresentation
bin10110000010100001…
…010101000001111101
32021002020010211002212
4112002201111001331
5341431120031303
614512114430205
71465300610210
oct260241250175
967066124085
1023664611453
11a04406892a
124705292365
13230198a992
141206c93777
15937841ad8
hex58285507d

23664611453 has 8 divisors (see below), whose sum is σ = 27917698560. Its totient is φ = 19629631440.

The previous prime is 23664611449. The next prime is 23664611497. The reversal of 23664611453 is 35411646632.

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 23664611453 - 22 = 23664611449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23664611453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23664611423) 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, 54526538 + ... + 54526971.

It is an arithmetic number, because the mean of its divisors is an integer number (3489712320).

Almost surely, 223664611453 is an apocalyptic number.

It is an amenable number.

23664611453 is a deficient number, since it is larger than the sum of its proper divisors (4253087107).

23664611453 is a wasteful number, since it uses less digits than its factorization.

23664611453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109053547.

The product of its digits is 311040, while the sum is 41.

The spelling of 23664611453 in words is "twenty-three billion, six hundred sixty-four million, six hundred eleven thousand, four hundred fifty-three".

Divisors: 1 7 31 217 109053509 763374563 3380658779 23664611453