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39910034988 = 223367127137317
BaseRepresentation
bin100101001010110100…
…101100111000101100
310211000101202211201000
4211022310230320230
51123213432104423
630200122320300
72612002462065
oct451264547054
9124011684630
1039910034988
1115a201a0a9a
127899959090
1339c0543525
141d0866d56c
151088b65843
hex94ad2ce2c

39910034988 has 192 divisors, whose sum is σ = 106950574080. Its totient is φ = 12865982976.

The previous prime is 39910034963. The next prime is 39910034993. The reversal of 39910034988 is 88943001993.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 125899006 + ... + 125899322.

It is an arithmetic number, because the mean of its divisors is an integer number (557034240).

Almost surely, 239910034988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39910034988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53475287040).

39910034988 is an abundant number, since it is smaller than the sum of its proper divisors (67040539092).

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

39910034988 is a wasteful number, since it uses less digits than its factorization.

39910034988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 39910034988 in words is "thirty-nine billion, nine hundred ten million, thirty-four thousand, nine hundred eighty-eight".