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23971910153 = 191523123993
BaseRepresentation
bin10110010100110101…
…100101001000001001
32021212122101012200012
4112110311211020021
5343043302111103
615002413121305
71506021605612
oct262465451011
967778335605
1023971910153
11a1915779a4
124790189235
132350542929
141235a06c09
159547e32d8
hex594d65209

23971910153 has 8 divisors (see below), whose sum is σ = 24103028736. Its totient is φ = 23840850400.

The previous prime is 23971910141. The next prime is 23971910159. The reversal of 23971910153 is 35101917932.

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 23971910153 - 26 = 23971910089 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 23971910153.

It is not an unprimeable number, because it can be changed into a prime (23971910159) 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, 987125 + ... + 1011117.

It is an arithmetic number, because the mean of its divisors is an integer number (3012878592).

Almost surely, 223971910153 is an apocalyptic number.

It is an amenable number.

23971910153 is a deficient number, since it is larger than the sum of its proper divisors (131118583).

23971910153 is a wasteful number, since it uses less digits than its factorization.

23971910153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29415.

The product of its (nonzero) digits is 51030, while the sum is 41.

The spelling of 23971910153 in words is "twenty-three billion, nine hundred seventy-one million, nine hundred ten thousand, one hundred fifty-three".

Divisors: 1 191 5231 23993 999121 4582663 125507383 23971910153