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625404132061 = 6043904111447
BaseRepresentation
bin10010001100111001111…
…11011011101011011101
32012210021111012200021021
421012130333123223131
540221311424211221
61155150125004141
763120045260662
oct11063477335335
92183244180237
10625404132061
11221261367a65
12a125a6b3651
1346c8ab21007
14223ac189a69
151140526d041
hex919cfdbadd

625404132061 has 8 divisors (see below), whose sum is σ = 625631459904. Its totient is φ = 625176857280.

The previous prime is 625404132029. The next prime is 625404132091. The reversal of 625404132061 is 160231404526.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 625404132061 - 25 = 625404132029 is a prime.

It is a super-2 number, since 2×6254041320612 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625404132011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54629040 + ... + 54640486.

It is an arithmetic number, because the mean of its divisors is an integer number (78203932488).

Almost surely, 2625404132061 is an apocalyptic number.

It is an amenable number.

625404132061 is a deficient number, since it is larger than the sum of its proper divisors (227327843).

625404132061 is a wasteful number, since it uses less digits than its factorization.

625404132061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26531.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 625404132061 its reverse (160231404526), we get a palindrome (785635536587).

The spelling of 625404132061 in words is "six hundred twenty-five billion, four hundred four million, one hundred thirty-two thousand, sixty-one".

Divisors: 1 6043 9041 11447 54634763 69174221 103492327 625404132061