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315114451540 = 22575701394811
BaseRepresentation
bin1001001010111100100…
…10001111001001010100
31010010100212102201102121
410211132102033021110
520130323244422130
6400432300145324
731523554433620
oct4453622171124
91103325381377
10315114451540
11111703990469
12510a3238244
132393b2ab265
141137463a180
1582e457ed7a
hex495e48f254

315114451540 has 48 divisors (see below), whose sum is σ = 756409256064. Its totient is φ = 108020016000.

The previous prime is 315114451511. The next prime is 315114451549. The reversal of 315114451540 is 45154411513.

It is a junction number, because it is equal to n+sod(n) for n = 315114451496 and 315114451505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315114451549) 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, 600735 + ... + 995545.

It is an arithmetic number, because the mean of its divisors is an integer number (15758526168).

Almost surely, 2315114451540 is an apocalyptic number.

It is an amenable number.

315114451540 is an abundant number, since it is smaller than the sum of its proper divisors (441294804524).

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

315114451540 is a wasteful number, since it uses less digits than its factorization.

315114451540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400528 (or 400526 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 315114451540 in words is "three hundred fifteen billion, one hundred fourteen million, four hundred fifty-one thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 5701 11402 22804 28505 39907 57010 79814 114020 159628 199535 394811 399070 789622 798140 1579244 1974055 2763677 3948110 5527354 7896220 11054708 13818385 27636770 55273540 2250817511 4501635022 9003270044 11254087555 15755722577 22508175110 31511445154 45016350220 63022890308 78778612885 157557225770 315114451540