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315232130524 = 22316737943203
BaseRepresentation
bin1001001011001010100…
…11001001010111011100
31010010200001212102122111
410211211103021113130
520131043411134044
6400452102323404
731526513620213
oct4454523112734
91103601772574
10315232130524
11111764357423
1251116729564
13239597a18ac
141138611007a
1582eea77b34
hex49654c95dc

315232130524 has 24 divisors (see below), whose sum is σ = 577950883328. Its totient is φ = 150255079920.

The previous prime is 315232130467. The next prime is 315232130527. The reversal of 315232130524 is 425031232513.

It is a super-2 number, since 2×3152321305242 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315232130527) by changing a digit.

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, 18963294 + ... + 18979909.

Almost surely, 2315232130524 is an apocalyptic number.

It is an amenable number.

315232130524 is a deficient number, since it is larger than the sum of its proper divisors (262718752804).

315232130524 is a wasteful number, since it uses less digits than its factorization.

315232130524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37943305 (or 37943303 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 315232130524 in words is "three hundred fifteen billion, two hundred thirty-two million, one hundred thirty thousand, five hundred twenty-four".

Divisors: 1 2 4 31 62 67 124 134 268 2077 4154 8308 37943203 75886406 151772812 1176239293 2352478586 2542194601 4704957172 5084389202 10168778404 78808032631 157616065262 315232130524