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139490753480 = 2351317103239641
BaseRepresentation
bin1000000111101001001…
…0111111101111001000
3111100001100110110211222
42001322102333233020
54241134113102410
6144025310541212
713035465561401
oct2017222775710
9440040413758
10139490753480
1154180991751
122304b207808
13102002202b0
146a73b4a9a8
15396617d955
hex207a4bfbc8

139490753480 has 256 divisors, whose sum is σ = 363431577600. Its totient is φ = 47728558080.

The previous prime is 139490753461. The next prime is 139490753513. The reversal of 139490753480 is 84357094931.

It is a super-2 number, since 2×1394907534802 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 217613960 + ... + 217614600.

It is an arithmetic number, because the mean of its divisors is an integer number (1419654600).

Almost surely, 2139490753480 is an apocalyptic number.

139490753480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139490753480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181715788800).

139490753480 is an abundant number, since it is smaller than the sum of its proper divisors (223940824120).

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

139490753480 is a wasteful number, since it uses less digits than its factorization.

139490753480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024 (or 1020 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 139490753480 in words is "one hundred thirty-nine billion, four hundred ninety million, seven hundred fifty-three thousand, four hundred eighty".