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70951316788 = 22117512147177
BaseRepresentation
bin100001000010100000…
…1110010110100110100
320210010201102100011201
41002011001302310310
52130302014114123
652332232542244
75061145145662
oct1020501626464
9223121370151
1070951316788
11280aa1944a0
1211901551984
1368c956a8b1
1436110cdc32
151ca3dc75ad
hex1085072d34

70951316788 has 24 divisors (see below), whose sum is σ = 135632939904. Its totient is φ = 32207640000.

The previous prime is 70951316719. The next prime is 70951316873. The reversal of 70951316788 is 88761315907.

It is a happy number.

It is a super-2 number, since 2×709513167882 (a number of 23 digits) contains 22 as substring.

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, 1040545 + ... + 1106632.

It is an arithmetic number, because the mean of its divisors is an integer number (5651372496).

Almost surely, 270951316788 is an apocalyptic number.

It is an amenable number.

70951316788 is a deficient number, since it is larger than the sum of its proper divisors (64681623116).

70951316788 is a wasteful number, since it uses less digits than its factorization.

70951316788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147943 (or 2147941 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 55.

The spelling of 70951316788 in words is "seventy billion, nine hundred fifty-one million, three hundred sixteen thousand, seven hundred eighty-eight".

Divisors: 1 2 4 11 22 44 751 1502 3004 8261 16522 33044 2147177 4294354 8588708 23618947 47237894 94475788 1612529927 3225059854 6450119708 17737829197 35475658394 70951316788