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23915423605 = 536821129901
BaseRepresentation
bin10110010001011110…
…000110011101110101
32021201201002101200211
4112101132012131311
5342434322023410
614553034305421
71504434514033
oct262136063565
967651071624
1023915423605
11a1626a67a7
124775288271
132341925c38
14122c301553
1594e88668a
hex591786775

23915423605 has 8 divisors (see below), whose sum is σ = 28699508664. Its totient is φ = 19131672000.

The previous prime is 23915423579. The next prime is 23915423627. The reversal of 23915423605 is 50632451932.

It can be written as a sum of positive squares in 4 ways, for example, as 3167325841 + 20748097764 = 56279^2 + 144042^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23915423605 - 29 = 23915423093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 119155 + ... + 249055.

It is an arithmetic number, because the mean of its divisors is an integer number (3587438583).

Almost surely, 223915423605 is an apocalyptic number.

It is an amenable number.

23915423605 is a deficient number, since it is larger than the sum of its proper divisors (4784085059).

23915423605 is a wasteful number, since it uses less digits than its factorization.

23915423605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166727.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 23915423605 in words is "twenty-three billion, nine hundred fifteen million, four hundred twenty-three thousand, six hundred five".

Divisors: 1 5 36821 129901 184105 649505 4783084721 23915423605