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55980936709 = 174123179867
BaseRepresentation
bin110100001000101110…
…010100111000000101
312100111102000020101021
4310020232110320011
51404122104433314
641414533431141
74021155053005
oct641056247005
9170442006337
1055980936709
1121817863355
12aa23a9b4b1
135381bc2829
1429d0bba005
1516c99b4324
hexd08b94e05

55980936709 has 8 divisors (see below), whose sum is σ = 59276112768. Its totient is φ = 52686002880.

The previous prime is 55980936689. The next prime is 55980936749. The reversal of 55980936709 is 90763908955.

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

It is not a de Polignac number, because 55980936709 - 233 = 47391002117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55980936749) 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, 660994 + ... + 740860.

It is an arithmetic number, because the mean of its divisors is an integer number (7409514096).

Almost surely, 255980936709 is an apocalyptic number.

It is an amenable number.

55980936709 is a deficient number, since it is larger than the sum of its proper divisors (3295176059).

55980936709 is a wasteful number, since it uses less digits than its factorization.

55980936709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121115.

The product of its (nonzero) digits is 18370800, while the sum is 61.

The spelling of 55980936709 in words is "fifty-five billion, nine hundred eighty million, nine hundred thirty-six thousand, seven hundred nine".

Divisors: 1 17 41231 79867 700927 1357739 3292996277 55980936709