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614113139640 = 23357111322971191
BaseRepresentation
bin10001110111110111111…
…11101101101110111000
32011201010121012211110210
420323323333231232320
540030200430432030
61150041503511120
762240203362510
oct10737377555670
92151117184423
10614113139640
11217497948270
129b0292b84a0
1345bab830800
1421a1a7ac840
1510e93d9dbb0
hex8efbfedbb8

614113139640 has 1536 divisors, whose sum is σ = 2622888345600. Its totient is φ = 111541248000.

The previous prime is 614113139621. The next prime is 614113139641. The reversal of 614113139640 is 46931311416.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (614113139641) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 3215251945 + ... + 3215252135.

It is an arithmetic number, because the mean of its divisors is an integer number (1707609600).

Almost surely, 2614113139640 is an apocalyptic number.

614113139640 is a gapful number since it is divisible by the number (60) 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 614113139640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1311444172800).

614113139640 is an abundant number, since it is smaller than the sum of its proper divisors (2008775205960).

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

614113139640 is a wasteful number, since it uses less digits than its factorization.

614113139640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The spelling of 614113139640 in words is "six hundred fourteen billion, one hundred thirteen million, one hundred thirty-nine thousand, six hundred forty".