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53701952713 = 212869252277
BaseRepresentation
bin110010000000111000…
…101100010011001001
312010121120200212001121
4302000320230103021
51334440144441323
640400443115241
73610533031543
oct620070542311
9163546625047
1053701952713
1120858396a02
12a4a8812b21
1350aa9c83a6
14285625c693
1515e4894a5d
hexc80e2c4c9

53701952713 has 4 divisors (see below), whose sum is σ = 53702417860. Its totient is φ = 53701487568.

The previous prime is 53701952683. The next prime is 53701952771. The reversal of 53701952713 is 31725910735.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31725910735 = 56345182147.

It can be written as a sum of positive squares in 2 ways, for example, as 26196393609 + 27505559104 = 161853^2 + 165848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53701952713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53701952713.

It is not an unprimeable number, because it can be changed into a prime (53701952813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86731 + ... + 339007.

It is an arithmetic number, because the mean of its divisors is an integer number (13425604465).

Almost surely, 253701952713 is an apocalyptic number.

It is an amenable number.

53701952713 is a deficient number, since it is larger than the sum of its proper divisors (465147).

53701952713 is a wasteful number, since it uses less digits than its factorization.

53701952713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465146.

The product of its (nonzero) digits is 198450, while the sum is 43.

The spelling of 53701952713 in words is "fifty-three billion, seven hundred one million, nine hundred fifty-two thousand, seven hundred thirteen".

Divisors: 1 212869 252277 53701952713