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31048653834 = 2361117263433
BaseRepresentation
bin11100111010101001…
…001101110000001010
32222010211112001000000
4130322221031300022
51002041423410314
622132532223430
72146262126442
oct347251156012
988124461000
1031048653834
11121931791a0
12602616ab76
132c0a708a23
14170781d122
15c1ac1b209
hex73aa4dc0a

31048653834 has 224 divisors, whose sum is σ = 81150056064. Its totient is φ = 8801187840.

The previous prime is 31048653791. The next prime is 31048653847. The reversal of 31048653834 is 43835684013.

31048653834 is a `hidden beast` number, since 3 + 1 + 0 + 4 + 86 + 538 + 34 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 31048653834.

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 111 ways as a sum of consecutive naturals, for example, 71705682 + ... + 71706114.

It is an arithmetic number, because the mean of its divisors is an integer number (362277036).

Almost surely, 231048653834 is an apocalyptic number.

31048653834 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31048653834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40575028032).

31048653834 is an abundant number, since it is smaller than the sum of its proper divisors (50101402230).

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

31048653834 is a wasteful number, since it uses less digits than its factorization.

31048653834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 31048653834 in words is "thirty-one billion, forty-eight million, six hundred fifty-three thousand, eight hundred thirty-four".