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140979537930 = 235711312298597
BaseRepresentation
bin1000001101001100001…
…0010000100000001010
3111110220002212120011210
42003103002100200022
54302211230203210
6144433132433550
713120414205010
oct2032302204012
9443802776153
10140979537930
1154875301520
12233a59188b6
13103a97b663a
146b757708b0
153a01c0ee20
hex20d309080a

140979537930 has 256 divisors, whose sum is σ = 437400207360. Its totient is φ = 28222387200.

The previous prime is 140979537917. The next prime is 140979537953. The reversal of 140979537930 is 39735979041.

It is a super-2 number, since 2×1409795379302 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16394392 + ... + 16402988.

It is an arithmetic number, because the mean of its divisors is an integer number (1708594560).

Almost surely, 2140979537930 is an apocalyptic number.

140979537930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140979537930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218700103680).

140979537930 is an abundant number, since it is smaller than the sum of its proper divisors (296420669430).

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

140979537930 is a wasteful number, since it uses less digits than its factorization.

140979537930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8885.

The product of its (nonzero) digits is 6429780, while the sum is 57.

The spelling of 140979537930 in words is "one hundred forty billion, nine hundred seventy-nine million, five hundred thirty-seven thousand, nine hundred thirty".