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23152131404 = 2253751145417
BaseRepresentation
bin10101100011111110…
…010111110101001100
32012202111211010122022
4111203332113311030
5334403421201104
614345210305312
71446505604243
oct254376276514
965674733568
1023152131404
119900857aa6
1245a1728238
13224c75624c
141198bad95a
15907860bbe
hex563f97d4c

23152131404 has 24 divisors (see below), whose sum is σ = 41335939008. Its totient is φ = 11342448000.

The previous prime is 23152131367. The next prime is 23152131437. The reversal of 23152131404 is 40413125132.

It is a happy number.

It is a super-2 number, since 2×231521314042 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86504 + ... + 231920.

It is an arithmetic number, because the mean of its divisors is an integer number (1722330792).

Almost surely, 223152131404 is an apocalyptic number.

It is an amenable number.

23152131404 is a deficient number, since it is larger than the sum of its proper divisors (18183807604).

23152131404 is a wasteful number, since it uses less digits than its factorization.

23152131404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146225 (or 146223 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 23152131404 its reverse (40413125132), we get a palindrome (63565256536).

The spelling of 23152131404 in words is "twenty-three billion, one hundred fifty-two million, one hundred thirty-one thousand, four hundred four".

Divisors: 1 2 4 53 106 212 751 1502 3004 39803 79606 145417 159212 290834 581668 7707101 15414202 30828404 109208167 218416334 436832668 5788032851 11576065702 23152131404