Search a number
-
+
107930296831 = 727927881761
BaseRepresentation
bin110010010000100100…
…1011010000111111111
3101022120211220011101011
41210201021122013333
53232020123444311
6121325452500051
710540420246300
oct1444111320777
9338524804334
10107930296831
1141855925525
1218b0177a627
13a240789186
14531c3827a7
152c1a567321
hex192125a1ff

107930296831 has 12 divisors (see below), whose sum is σ = 127140834720. Its totient is φ = 91340645760.

The previous prime is 107930296801. The next prime is 107930296867. The reversal of 107930296831 is 138692039701.

It is not a de Polignac number, because 107930296831 - 29 = 107930296319 is a prime.

It is a super-2 number, since 2×1079302968312 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107930296801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13937010 + ... + 13944751.

It is an arithmetic number, because the mean of its divisors is an integer number (10595069560).

Almost surely, 2107930296831 is an apocalyptic number.

107930296831 is a deficient number, since it is larger than the sum of its proper divisors (19210537889).

107930296831 is an equidigital number, since it uses as much as digits as its factorization.

107930296831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27881854 (or 27881847 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 107930296831 in words is "one hundred seven billion, nine hundred thirty million, two hundred ninety-six thousand, eight hundred thirty-one".

Divisors: 1 7 49 79 553 3871 27881761 195172327 1366206289 2202659119 15418613833 107930296831