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70536538140 = 22356831721243
BaseRepresentation
bin100000110110001001…
…1100010100000011100
320202001210221101211120
41001230103202200130
52123424323210030
652223134450540
75044650452535
oct1015423424034
9222053841746
1070536538140
1127a07045122
1211806663a50
136861653643
1435b1d9d68c
151c7c795010
hex106c4e281c

70536538140 has 48 divisors (see below), whose sum is σ = 197791590528. Its totient is φ = 18782192704.

The previous prime is 70536538139. The next prime is 70536538213. The reversal of 70536538140 is 4183563507.

It is a junction number, because it is equal to n+sod(n) for n = 70536538092 and 70536538101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 819642 + ... + 901601.

It is an arithmetic number, because the mean of its divisors is an integer number (4120658136).

Almost surely, 270536538140 is an apocalyptic number.

It is an amenable number.

70536538140 is an abundant number, since it is smaller than the sum of its proper divisors (127255052388).

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

70536538140 is a wasteful number, since it uses less digits than its factorization.

70536538140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721938 (or 1721936 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 70536538140 in words is "seventy billion, five hundred thirty-six million, five hundred thirty-eight thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 683 1366 2049 2732 3415 4098 6830 8196 10245 13660 20490 40980 1721243 3442486 5163729 6884972 8606215 10327458 17212430 20654916 25818645 34424860 51637290 103274580 1175608969 2351217938 3526826907 4702435876 5878044845 7053653814 11756089690 14107307628 17634134535 23512179380 35268269070 70536538140