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70928475660 = 22335730761121
BaseRepresentation
bin100001000001110101…
…0101010011000001100
320210002010102220001000
41002003222222120030
52130230142210120
652330055220300
75060450044530
oct1020352523014
9223063386030
1070928475660
1128098303629
12118b5977690
1368c4901233
14360c065bc0
151ca1db4990
hex1083aaa60c

70928475660 has 192 divisors, whose sum is σ = 253015741440. Its totient is φ = 16159150080.

The previous prime is 70928475659. The next prime is 70928475679. The reversal of 70928475660 is 6657482907.

70928475660 is a `hidden beast` number, since 70 + 9 + 2 + 8 + 4 + 7 + 566 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 70928475597 and 70928475606.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1129900 + ... + 1191020.

It is an arithmetic number, because the mean of its divisors is an integer number (1317790320).

Almost surely, 270928475660 is an apocalyptic number.

70928475660 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70928475660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126507870720).

70928475660 is an abundant number, since it is smaller than the sum of its proper divisors (182087265780).

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

70928475660 is a wasteful number, since it uses less digits than its factorization.

70928475660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61453 (or 61445 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 70928475660 in words is "seventy billion, nine hundred twenty-eight million, four hundred seventy-five thousand, six hundred sixty".