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3919085688 = 233723327891
BaseRepresentation
bin1110100110011000…
…1000000001111000
3101010010110011212210
43221212020001320
531011241220223
61444515335120
7166055451540
oct35146100170
911103404783
103919085688
1117312490a1
129145b14a0
134a5c3111b
142926d0320
1517e0e0893
hexe9988078

3919085688 has 32 divisors (see below), whose sum is σ = 11197388160. Its totient is φ = 1119738720.

The previous prime is 3919085669. The next prime is 3919085699. The reversal of 3919085688 is 8865809193.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11663778 + ... + 11664113.

It is an arithmetic number, because the mean of its divisors is an integer number (349918380).

Almost surely, 23919085688 is an apocalyptic number.

It is an amenable number.

3919085688 is an abundant number, since it is smaller than the sum of its proper divisors (7278302472).

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

3919085688 is a wasteful number, since it uses less digits than its factorization.

3919085688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23327907 (or 23327903 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 57.

The square root of 3919085688 is about 62602.6012878059. The cubic root of 3919085688 is about 1576.6244347612.

The spelling of 3919085688 in words is "three billion, nine hundred nineteen million, eighty-five thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 23327891 46655782 69983673 93311564 139967346 163295237 186623128 279934692 326590474 489885711 559869384 653180948 979771422 1306361896 1959542844 3919085688