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59793311980 = 22519157350821
BaseRepresentation
bin110111101011111101…
…011000100011101100
312201100002122222002101
4313223331120203230
51434424041440410
643245122104444
74214506523503
oct675375304354
9181302588071
1059793311980
11233a3847316
12b7087ab124
13583b9a099c
142c7324d83a
15184e526d3a
hexdebf588ec

59793311980 has 24 divisors (see below), whose sum is σ = 132174690480. Its totient is φ = 22658518080.

The previous prime is 59793311953. The next prime is 59793311987. The reversal of 59793311980 is 8911339795.

It is a super-2 number, since 2×597933119802 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (59793311987) 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, 78675031 + ... + 78675790.

It is an arithmetic number, because the mean of its divisors is an integer number (5507278770).

Almost surely, 259793311980 is an apocalyptic number.

It is an amenable number.

59793311980 is an abundant number, since it is smaller than the sum of its proper divisors (72381378500).

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

59793311980 is a wasteful number, since it uses less digits than its factorization.

59793311980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157350849 (or 157350847 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 55.

The spelling of 59793311980 in words is "fifty-nine billion, seven hundred ninety-three million, three hundred eleven thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 157350821 314701642 629403284 786754105 1573508210 2989665599 3147016420 5979331198 11958662396 14948327995 29896655990 59793311980