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39988097051 = 717915736697
BaseRepresentation
bin100101001111011110…
…011111000000011011
310211012211122210201112
4211033132133000123
51123343423101201
630211551410535
72613641134220
oct451736370033
9124184583645
1039988097051
1115a602691a1
1278bbb23a4b
133a037757b6
141d14b8d947
1510909350bb
hex94f79f01b

39988097051 has 16 divisors (see below), whose sum is σ = 48395560896. Its totient is φ = 32254903296.

The previous prime is 39988097047. The next prime is 39988097059. The reversal of 39988097051 is 15079088993.

It is not a de Polignac number, because 39988097051 - 22 = 39988097047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39988097059) 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, 1071335 + ... + 1108031.

It is an arithmetic number, because the mean of its divisors is an integer number (3024722556).

Almost surely, 239988097051 is an apocalyptic number.

39988097051 is a deficient number, since it is larger than the sum of its proper divisors (8407463845).

39988097051 is a wasteful number, since it uses less digits than its factorization.

39988097051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45878.

The product of its (nonzero) digits is 4898880, while the sum is 59.

The spelling of 39988097051 in words is "thirty-nine billion, nine hundred eighty-eight million, ninety-seven thousand, fifty-one".

Divisors: 1 7 17 119 9157 36697 64099 155669 256879 623849 1089683 4366943 336034429 2352241003 5712585293 39988097051