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315135142532 = 22751472186677
BaseRepresentation
bin1001001010111111000…
…01001010101010000100
31010010102022100221010122
410211133201022222010
520130344044030112
6400434315441112
731524225341330
oct4453741125204
91103368327118
10315135142532
11111714632961
12510aa156198
1323942674052
14113772a47c0
1582e62ba872
hex495f84aa84

315135142532 has 24 divisors (see below), whose sum is σ = 630393027264. Its totient is φ = 135031616352.

The previous prime is 315135142501. The next prime is 315135142571. The reversal of 315135142532 is 235241531513.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 315135142492 and 315135142501.

It is an unprimeable number.

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, 949223 + ... + 1237454.

It is an arithmetic number, because the mean of its divisors is an integer number (26266376136).

Almost surely, 2315135142532 is an apocalyptic number.

It is an amenable number.

315135142532 is an abundant number, since it is smaller than the sum of its proper divisors (315257884732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315135142532 is a wasteful number, since it uses less digits than its factorization.

315135142532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191835 (or 2191833 counting only the distinct ones).

The product of its digits is 54000, while the sum is 35.

The spelling of 315135142532 in words is "three hundred fifteen billion, one hundred thirty-five million, one hundred forty-two thousand, five hundred thirty-two".

Divisors: 1 2 4 7 14 28 5147 10294 20588 36029 72058 144116 2186677 4373354 8746708 15306739 30613478 61226956 11254826519 22509653038 45019306076 78783785633 157567571266 315135142532