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70965787968 = 2632196484447
BaseRepresentation
bin100001000010111100…
…0111111110101000000
320210011201122112220100
41002011320333311000
52130314220203333
652333511042400
75061412150005
oct1020570776500
9223151575810
1070965787968
1128107378949
1211906370400
1368cc56661a
143612db98ac
151ca52d5213
hex1085e3fd40

70965787968 has 84 divisors (see below), whose sum is σ = 214116472960. Its totient is φ = 22410245376.

The previous prime is 70965787967. The next prime is 70965787969. The reversal of 70965787968 is 86978756907.

It is an interprime number because it is at equal distance from previous prime (70965787967) and next prime (70965787969).

It is a super-2 number, since 2×709657879682 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 70965787896 and 70965787905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70965787967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3231280 + ... + 3253167.

Almost surely, 270965787968 is an apocalyptic number.

It is an amenable number.

70965787968 is an abundant number, since it is smaller than the sum of its proper divisors (143150684992).

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

70965787968 is a wasteful number, since it uses less digits than its factorization.

70965787968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6484484 (or 6484471 counting only the distinct ones).

The product of its (nonzero) digits is 320060160, while the sum is 72.

The spelling of 70965787968 in words is "seventy billion, nine hundred sixty-five million, seven hundred eighty-seven thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 64 72 76 96 114 144 152 171 192 228 288 304 342 456 576 608 684 912 1216 1368 1824 2736 3648 5472 10944 6484447 12968894 19453341 25937788 38906682 51875576 58360023 77813364 103751152 116720046 123204493 155626728 207502304 233440092 246408986 311253456 369613479 415004608 466880184 492817972 622506912 739226958 933760368 985635944 1108840437 1245013824 1478453916 1867520736 1971271888 2217680874 2956907832 3735041472 3942543776 4435361748 5913815664 7885087552 8870723496 11827631328 17741446992 23655262656 35482893984 70965787968