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5168215707 = 319210943781
BaseRepresentation
bin1001101000000110…
…01011011010011011
3111100011220120010120
410310003023122123
541041030400312
62212500444323
7242034052164
oct46403133233
914304816116
105168215707
112212360a56
1210029a96a3
13644967a05
1437056c76b
15203ad328c
hex1340cb69b

5168215707 has 24 divisors (see below), whose sum is σ = 7339614480. Its totient is φ = 3234116160.

The previous prime is 5168215693. The next prime is 5168215769. The reversal of 5168215707 is 7075128615.

It is not a de Polignac number, because 5168215707 - 212 = 5168211611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5168215007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96157 + ... + 139937.

It is an arithmetic number, because the mean of its divisors is an integer number (305817270).

Almost surely, 25168215707 is an apocalyptic number.

5168215707 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

5168215707 is a deficient number, since it is larger than the sum of its proper divisors (2171398773).

5168215707 is a wasteful number, since it uses less digits than its factorization.

5168215707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43931 (or 43912 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 42.

The square root of 5168215707 is about 71890.3032891085. The cubic root of 5168215707 is about 1728.9411484215.

The spelling of 5168215707 in words is "five billion, one hundred sixty-eight million, two hundred fifteen thousand, seven hundred seven".

Divisors: 1 3 19 57 109 327 361 1083 2071 6213 39349 43781 118047 131343 831839 2495517 4772129 14316387 15804941 47414823 90670451 272011353 1722738569 5168215707