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53351731707 = 3235631373381
BaseRepresentation
bin110001101100000000…
…101101000111111011
312002201011200210011020
4301230000231013323
51333231020403312
640302012433523
73566051144211
oct615400550773
9162634623136
1053351731707
112069873075a
12a40b4788a3
135053295721
142821934cb1
1515c3c6578c
hexc6c02d1fb

53351731707 has 16 divisors (see below), whose sum is σ = 74360395008. Its totient is φ = 33960940640.

The previous prime is 53351731673. The next prime is 53351731751. The reversal of 53351731707 is 70713715335.

It is a happy number.

53351731707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 53351731707 - 27 = 53351731579 is a prime.

It is a super-2 number, since 2×533517317072 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53351731757) 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, 647844 + ... + 725537.

It is an arithmetic number, because the mean of its divisors is an integer number (4647524688).

Almost surely, 253351731707 is an apocalyptic number.

53351731707 is a deficient number, since it is larger than the sum of its proper divisors (21008663301).

53351731707 is a wasteful number, since it uses less digits than its factorization.

53351731707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373970.

The product of its (nonzero) digits is 231525, while the sum is 42.

The spelling of 53351731707 in words is "fifty-three billion, three hundred fifty-one million, seven hundred thirty-one thousand, seven hundred seven".

Divisors: 1 3 23 69 563 1689 12949 38847 1373381 4120143 31587763 94763289 773213503 2319640509 17783910569 53351731707