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39988097050 = 2521172705631
BaseRepresentation
bin100101001111011110…
…011111000000011010
310211012211122210201111
4211033132133000122
51123343423101200
630211551410534
72613641134216
oct451736370032
9124184583644
1039988097050
1115a602691a0
1278bbb23a4a
133a037757b5
141d14b8d946
1510909350ba
hex94f79f01a

39988097050 has 24 divisors (see below), whose sum is σ = 81139485312. Its totient is φ = 14541126000.

The previous prime is 39988097047. The next prime is 39988097059. The reversal of 39988097050 is 5079088993.

It is not an unprimeable number, because it can be changed into a prime (39988097059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36352266 + ... + 36353365.

It is an arithmetic number, because the mean of its divisors is an integer number (3380811888).

Almost surely, 239988097050 is an apocalyptic number.

39988097050 is an abundant number, since it is smaller than the sum of its proper divisors (41151388262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39988097050 is a wasteful number, since it uses less digits than its factorization.

39988097050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72705654 (or 72705649 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 58.

The spelling of 39988097050 in words is "thirty-nine billion, nine hundred eighty-eight million, ninety-seven thousand, fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 72705631 145411262 363528155 727056310 799761941 1599523882 1817640775 3635281550 3998809705 7997619410 19994048525 39988097050