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70616101980 = 22357431584031
BaseRepresentation
bin100000111000100001…
…1000011010001011100
320202021100122122220110
41001301003003101130
52124110210230410
652235100050020
75046634651224
oct1016103032134
9222240578813
1070616101980
1127a47a48666
1211829233910
136874c90338
1435bc791084
151c8475e720
hex10710c345c

70616101980 has 48 divisors (see below), whose sum is σ = 197991327744. Its totient is φ = 18805604160.

The previous prime is 70616101979. The next prime is 70616101987. The reversal of 70616101980 is 8910161607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70616101987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 747436 + ... + 836595.

It is an arithmetic number, because the mean of its divisors is an integer number (4124819328).

Almost surely, 270616101980 is an apocalyptic number.

It is an amenable number.

70616101980 is an abundant number, since it is smaller than the sum of its proper divisors (127375225764).

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

70616101980 is a wasteful number, since it uses less digits than its factorization.

70616101980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584786 (or 1584784 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The spelling of 70616101980 in words is "seventy billion, six hundred sixteen million, one hundred one thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 743 1486 2229 2972 3715 4458 7430 8916 11145 14860 22290 44580 1584031 3168062 4752093 6336124 7920155 9504186 15840310 19008372 23760465 31680620 47520930 95041860 1176935033 2353870066 3530805099 4707740132 5884675165 7061610198 11769350330 14123220396 17654025495 23538700660 35308050990 70616101980