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616868419974 = 23198081669611
BaseRepresentation
bin10001111101000000011…
…10010001100110000110
32011222020121202120112120
420332200032101212012
540101321303414344
61151215131030410
762365401025002
oct10764016214606
92158217676476
10616868419974
11218681161154
129b677b9b406
134622a600bc1
1421bdc6b1702
15110a5c03219
hex8fa0391986

616868419974 has 32 divisors (see below), whose sum is σ = 1298833004160. Its totient is φ = 194776156800.

The previous prime is 616868419957. The next prime is 616868420023. The reversal of 616868419974 is 479914868616.

It is a super-2 number, since 2×6168684199742 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 616868419899 and 616868419908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 586429 + ... + 1256039.

It is an arithmetic number, because the mean of its divisors is an integer number (40588531380).

Almost surely, 2616868419974 is an apocalyptic number.

616868419974 is an abundant number, since it is smaller than the sum of its proper divisors (681964584186).

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

616868419974 is a wasteful number, since it uses less digits than its factorization.

616868419974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677716.

The product of its digits is 125411328, while the sum is 69.

The spelling of 616868419974 in words is "six hundred sixteen billion, eight hundred sixty-eight million, four hundred nineteen thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 19 38 57 114 8081 16162 24243 48486 153539 307078 460617 669611 921234 1339222 2008833 4017666 12722609 25445218 38167827 76335654 5411126491 10822252982 16233379473 32466758946 102811403329 205622806658 308434209987 616868419974