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315124112120 = 23510773627129
BaseRepresentation
bin1001001010111101101…
…11000101101011111000
31010010101112121112020212
410211132313011223320
520130333233041440
6400433243210252
731524032520566
oct4453667055370
91103345545225
10315124112120
11111709389614
12510a6516988
13239402b148c
1411375a32a36
1582e533c465
hex495edc5af8

315124112120 has 32 divisors (see below), whose sum is σ = 715655703600. Its totient is φ = 124871609088.

The previous prime is 315124112113. The next prime is 315124112179. The reversal of 315124112120 is 21211421513.

It is a congruent number.

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, 36809285 + ... + 36817844.

Almost surely, 2315124112120 is an apocalyptic number.

It is an amenable number.

315124112120 is an abundant number, since it is smaller than the sum of its proper divisors (400531591480).

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

315124112120 is a wasteful number, since it uses less digits than its factorization.

315124112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73627247 (or 73627243 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 315124112120 its reverse (21211421513), we get a palindrome (336335533633).

The spelling of 315124112120 in words is "three hundred fifteen billion, one hundred twenty-four million, one hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 107 214 428 535 856 1070 2140 4280 73627129 147254258 294508516 368135645 589017032 736271290 1472542580 2945085160 7878102803 15756205606 31512411212 39390514015 63024822424 78781028030 157562056060 315124112120