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53700749331 = 3211523162209
BaseRepresentation
bin110010000000110100…
…000110100000010011
312010121111102201022220
4302000310012200103
51334434342434311
640400401232123
73610516560255
oct620064064023
9163544381286
1053700749331
1120857744879
12a4a8332643
1350aa696728
142856027cd5
1515e4708206
hexc80d06813

53700749331 has 16 divisors (see below), whose sum is σ = 72078337920. Its totient is φ = 35562481920.

The previous prime is 53700749329. The next prime is 53700749369. The reversal of 53700749331 is 13394700735.

It is not a de Polignac number, because 53700749331 - 21 = 53700749329 is a prime.

It is a super-2 number, since 2×537007493312 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53700749371) 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, 249955 + ... + 412163.

It is an arithmetic number, because the mean of its divisors is an integer number (4504896120).

Almost surely, 253700749331 is an apocalyptic number.

53700749331 is a deficient number, since it is larger than the sum of its proper divisors (18377588589).

53700749331 is a wasteful number, since it uses less digits than its factorization.

53700749331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162946.

The product of its (nonzero) digits is 238140, while the sum is 42.

The spelling of 53700749331 in words is "fifty-three billion, seven hundred million, seven hundred forty-nine thousand, three hundred thirty-one".

Divisors: 1 3 211 523 633 1569 110353 162209 331059 486627 34226099 84835307 102678297 254505921 17900249777 53700749331