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23124515141 = 713371968329
BaseRepresentation
bin10101100010010101…
…000001100101000101
32012200120212002020202
4111202111001211011
5334324333441031
614342342340245
71446022064330
oct254225014505
965616762222
1023124515141
119897205542
12459442a685
132246b07270
141195261617
159052082cb
hex562541945

23124515141 has 16 divisors (see below), whose sum is σ = 28469011200. Its totient is φ = 18291132288.

The previous prime is 23124515137. The next prime is 23124515147. The reversal of 23124515141 is 14151542132.

It is a happy number.

It is not a de Polignac number, because 23124515141 - 22 = 23124515137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23124515147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304265 + ... + 372593.

It is an arithmetic number, because the mean of its divisors is an integer number (1779313200).

Almost surely, 223124515141 is an apocalyptic number.

It is an amenable number.

23124515141 is a deficient number, since it is larger than the sum of its proper divisors (5344496059).

23124515141 is a wasteful number, since it uses less digits than its factorization.

23124515141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72068.

The product of its digits is 4800, while the sum is 29.

The spelling of 23124515141 in words is "twenty-three billion, one hundred twenty-four million, five hundred fifteen thousand, one hundred forty-one".

Divisors: 1 7 13 91 3719 26033 48347 68329 338429 478303 888277 6217939 254115551 1778808857 3303502163 23124515141