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3977185093 = 72337667649
BaseRepresentation
bin1110110100001111…
…0000011101000101
3101021011202221021121
43231003300131011
531121124410333
61454352513541
7200362341550
oct35503603505
911234687247
103977185093
111761021032
1292bb4b8b1
134b4c93c7b
1429a2d5697
1518426a32d
hexed0f0745

3977185093 has 16 divisors (see below), whose sum is σ = 4871174400. Its totient is φ = 3172663296.

The previous prime is 3977185081. The next prime is 3977185117. The reversal of 3977185093 is 3905817793.

It is a happy number.

3977185093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3977185093 - 29 = 3977184581 is a prime.

It is a super-3 number, since 3×39771850933 (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3977185093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3977185063) 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, 327868 + ... + 339781.

It is an arithmetic number, because the mean of its divisors is an integer number (304448400).

Almost surely, 23977185093 is an apocalyptic number.

It is an amenable number.

3977185093 is a deficient number, since it is larger than the sum of its proper divisors (893989307).

3977185093 is a wasteful number, since it uses less digits than its factorization.

3977185093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667716.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The square root of 3977185093 is about 63064.9275984679. The cubic root of 3977185093 is about 1584.3772617552.

The spelling of 3977185093 in words is "three billion, nine hundred seventy-seven million, one hundred eighty-five thousand, ninety-three".

Divisors: 1 7 23 37 161 259 851 5957 667649 4673543 15355927 24703013 107491489 172921091 568169299 3977185093