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73069982980 = 22513726667877
BaseRepresentation
bin100010000001101001…
…1110111010100000100
320222121101001201210221
41010003103313110010
52144121403423410
653322355154124
75164512415231
oct1040323672404
9228541051727
1073069982980
1128a97111795
12121b2ba5944
136b76492a27
143772638788
151d79dca4da
hex11034f7504

73069982980 has 24 divisors (see below), whose sum is σ = 154567020888. Its totient is φ = 29014649088.

The previous prime is 73069982977. The next prime is 73069982989. The reversal of 73069982980 is 8928996037.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15401802816 + 57668180164 = 124104^2 + 240142^2 .

It is not an unprimeable number, because it can be changed into a prime (73069982989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13331199 + ... + 13336678.

It is an arithmetic number, because the mean of its divisors is an integer number (6440292537).

Almost surely, 273069982980 is an apocalyptic number.

It is an amenable number.

73069982980 is an abundant number, since it is smaller than the sum of its proper divisors (81497037908).

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

73069982980 is a wasteful number, since it uses less digits than its factorization.

73069982980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26668023 (or 26668021 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 61.

The spelling of 73069982980 in words is "seventy-three billion, sixty-nine million, nine hundred eighty-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 137 274 548 685 1370 2740 26667877 53335754 106671508 133339385 266678770 533357540 3653499149 7306998298 14613996596 18267495745 36534991490 73069982980