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79968357372 = 22337180108913
BaseRepresentation
bin100101001111001111…
…1000100101111111100
321122102010120110110210
41022132133010233330
52302233344413442
6100423103232420
75530455552021
oct1123637045774
9248363513423
1079968357372
1130a07064552
12135b92a8710
137705706277
143c2889d548
15213081d19c
hex129e7c4bfc

79968357372 has 24 divisors (see below), whose sum is σ = 191635884496. Its totient is φ = 25935683328.

The previous prime is 79968357353. The next prime is 79968357397. The reversal of 79968357372 is 27375386997.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90054013 + ... + 90054900.

Almost surely, 279968357372 is an apocalyptic number.

It is an amenable number.

79968357372 is an abundant number, since it is smaller than the sum of its proper divisors (111667527124).

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

79968357372 is a wasteful number, since it uses less digits than its factorization.

79968357372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180108957 (or 180108955 counting only the distinct ones).

The product of its digits is 120022560, while the sum is 66.

The spelling of 79968357372 in words is "seventy-nine billion, nine hundred sixty-eight million, three hundred fifty-seven thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 180108913 360217826 540326739 720435652 1080653478 2161306956 6664029781 13328059562 19992089343 26656119124 39984178686 79968357372