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1038497731930 = 25181573755653
BaseRepresentation
bin11110001110010110100…
…10011101010101011010
310200021112200200211121101
433013023102131111122
5114003320404410210
62113025042302014
7135012641034361
oct17071322352532
93607480624541
101038497731930
1137047399477a
1214932695790a
1376c12043689
14383992c07d8
151c031406a3a
hexf1cb49d55a

1038497731930 has 16 divisors (see below), whose sum is σ = 1879623522504. Its totient is φ = 413104069440.

The previous prime is 1038497731883. The next prime is 1038497731967. The reversal of 1038497731930 is 391377948301.

It can be written as a sum of positive squares in 4 ways, for example, as 381537229969 + 656960501961 = 617687^2 + 810531^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286876017 + ... + 286879636.

Almost surely, 21038497731930 is an apocalyptic number.

1038497731930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1038497731930 is a deficient number, since it is larger than the sum of its proper divisors (841125790574).

1038497731930 is a wasteful number, since it uses less digits than its factorization.

1038497731930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573755841.

The product of its (nonzero) digits is 3429216, while the sum is 55.

The spelling of 1038497731930 in words is "one trillion, thirty-eight billion, four hundred ninety-seven million, seven hundred thirty-one thousand, nine hundred thirty".

Divisors: 1 2 5 10 181 362 905 1810 573755653 1147511306 2868778265 5737556530 103849773193 207699546386 519248865965 1038497731930