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23030403502 = 2311223303727
BaseRepresentation
bin10101011100101110…
…000001000110101110
32012110000202201100111
4111130232001012232
5334131240403002
614325141250234
71443500125351
oct253456010656
965400681314
1023030403502
119849076027
124568a0397a
1322304759c2
141186964298
158ebd183d7
hex55cb811ae

23030403502 has 16 divisors (see below), whose sum is σ = 35689254912. Its totient is φ = 11134595160.

The previous prime is 23030403499. The next prime is 23030403509. The reversal of 23030403502 is 20530403032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23030403509) 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, 76038 + ... + 227689.

It is an arithmetic number, because the mean of its divisors is an integer number (2230578432).

Almost surely, 223030403502 is an apocalyptic number.

23030403502 is a deficient number, since it is larger than the sum of its proper divisors (12658851410).

23030403502 is a wasteful number, since it uses less digits than its factorization.

23030403502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304983.

The product of its (nonzero) digits is 2160, while the sum is 22.

Adding to 23030403502 its reverse (20530403032), we get a palindrome (43560806534).

The spelling of 23030403502 in words is "twenty-three billion, thirty million, four hundred three thousand, five hundred two".

Divisors: 1 2 31 62 1223 2446 37913 75826 303727 607454 9415537 18831074 371458121 742916242 11515201751 23030403502