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4986138738 = 237499237911
BaseRepresentation
bin1001010010011001…
…00111000001110010
3110212111022002111010
410221030213001302
540202422414423
62142434131350
7234363323430
oct45114470162
913774262433
104986138738
1121295aa919
12b71a20b56
13616017669
143542d3d50
151e2b19693
hex129327072

4986138738 has 32 divisors (see below), whose sum is σ = 11419776000. Its totient is φ = 1421750160.

The previous prime is 4986138683. The next prime is 4986138757. The reversal of 4986138738 is 8378316894.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97998 + ... + 139913.

It is an arithmetic number, because the mean of its divisors is an integer number (356868000).

Almost surely, 24986138738 is an apocalyptic number.

4986138738 is an abundant number, since it is smaller than the sum of its proper divisors (6433637262).

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

4986138738 is a wasteful number, since it uses less digits than its factorization.

4986138738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238422.

The product of its digits is 6967296, while the sum is 57.

The square root of 4986138738 is about 70612.5961709382. The cubic root of 4986138738 is about 1708.3943225806.

The spelling of 4986138738 in words is "four billion, nine hundred eighty-six million, one hundred thirty-eight thousand, seven hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 499 998 1497 2994 3493 6986 10479 20958 237911 475822 713733 1427466 1665377 3330754 4996131 9992262 118717589 237435178 356152767 712305534 831023123 1662046246 2493069369 4986138738