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70076863021 = 11174179127911
BaseRepresentation
bin100000101000011101…
…0000001001000101101
320200212202222111010011
41001100322001020231
52122004134104041
652105354213221
75030366336044
oct1012072011055
9220782874104
1070076863021
11277a0620430
12116b8724211
1367ba349c29
14356ad0355b
151c52244e81
hex1050e8122d

70076863021 has 64 divisors (see below), whose sum is σ = 84722319360. Its totient is φ = 57238272000.

The previous prime is 70076863007. The next prime is 70076863063. The reversal of 70076863021 is 12036867007.

It is a cyclic number.

It is not a de Polignac number, because 70076863021 - 27 = 70076862893 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 (70076863081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76922556 + ... + 76923466.

It is an arithmetic number, because the mean of its divisors is an integer number (1323786240).

Almost surely, 270076863021 is an apocalyptic number.

It is an amenable number.

70076863021 is a deficient number, since it is larger than the sum of its proper divisors (14645456339).

70076863021 is a wasteful number, since it uses less digits than its factorization.

70076863021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 70076863021 in words is "seventy billion, seventy-six million, eight hundred sixty-three thousand, twenty-one".

Divisors: 1 11 17 41 79 127 187 451 697 869 911 1343 1397 2159 3239 5207 7667 10021 10033 14773 15487 23749 35629 37351 55063 57277 71969 88519 110363 115697 170357 170561 410861 411353 605693 634967 791659 973709 1223473 1272667 1876171 1966849 2950729 4524883 4743577 6984637 6993001 9140063 13458203 21635339 32458019 50162393 52179347 76923011 80640809 100540693 155381071 374742583 551786323 887048899 1709191781 4122168413 6370623911 70076863021