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39885086708 = 2243293978901
BaseRepresentation
bin100101001001010101…
…100001111111110100
310210221122211100002122
4211021111201333310
51123141040233313
630153431455112
72611250433425
oct451125417764
9123848740078
1039885086708
1115a08100a85
127891527498
1339b8319a2c
141d0521764c
151086888708
hex949561ff4

39885086708 has 24 divisors (see below), whose sum is σ = 71447339040. Its totient is φ = 19471888800.

The previous prime is 39885086687. The next prime is 39885086719. The reversal of 39885086708 is 80768058893.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 466058 + ... + 544958.

It is an arithmetic number, because the mean of its divisors is an integer number (2976972460).

Almost surely, 239885086708 is an apocalyptic number.

It is an amenable number.

39885086708 is a deficient number, since it is larger than the sum of its proper divisors (31562252332).

39885086708 is a wasteful number, since it uses less digits than its factorization.

39885086708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81887 (or 81885 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 62.

The spelling of 39885086708 in words is "thirty-nine billion, eight hundred eighty-five million, eighty-six thousand, seven hundred eight".

Divisors: 1 2 4 43 86 172 2939 5878 11756 78901 126377 157802 252754 315604 505508 3392743 6785486 13570972 231890039 463780078 927560156 9971271677 19942543354 39885086708