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70742668909 = 1141257960821
BaseRepresentation
bin100000111100010010…
…1110111011001101101
320202121011210221002111
41001320211313121231
52124340110401114
652255420524021
75053032523063
oct1017045673155
9222534727074
1070742668909
1128002435230
12118636b0611
136895276303
1435d14da033
151c90910bc4
hex107897766d

70742668909 has 16 divisors (see below), whose sum is σ = 79088063040. Its totient is φ = 62717584000.

The previous prime is 70742668907. The next prime is 70742668957. The reversal of 70742668909 is 90986624707.

It is a cyclic number.

It is not a de Polignac number, because 70742668909 - 21 = 70742668907 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70742668907) 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, 1132719 + ... + 1193539.

It is an arithmetic number, because the mean of its divisors is an integer number (4943003940).

Almost surely, 270742668909 is an apocalyptic number.

It is an amenable number.

70742668909 is a deficient number, since it is larger than the sum of its proper divisors (8345394131).

70742668909 is a wasteful number, since it uses less digits than its factorization.

70742668909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63452.

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 70742668909 in words is "seventy billion, seven hundred forty-two million, six hundred sixty-eight thousand, nine hundred nine".

Divisors: 1 11 41 451 2579 28369 60821 105739 669031 1163129 2493661 27430271 156857359 1725430949 6431151719 70742668909