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69997132844 = 2229829372763
BaseRepresentation
bin100000100110000100…
…1110111110000101100
320200200012221202212122
41001030021313300230
52121323231222334
652053425252112
75025410545412
oct1011411676054
9220605852778
1069997132844
112775a613a21
1211695a94038
1367a6982602
1435604ab2b2
151c4a24632e
hex104c277c2c

69997132844 has 24 divisors (see below), whose sum is σ = 126735969360. Its totient is φ = 33787180224.

The previous prime is 69997132831. The next prime is 69997132859. The reversal of 69997132844 is 44823179996.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

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, 925607 + ... + 998369.

It is an arithmetic number, because the mean of its divisors is an integer number (5280665390).

Almost surely, 269997132844 is an apocalyptic number.

It is an amenable number.

69997132844 is a deficient number, since it is larger than the sum of its proper divisors (56738836516).

69997132844 is a wasteful number, since it uses less digits than its factorization.

69997132844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81089 (or 81087 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 62.

The spelling of 69997132844 in words is "sixty-nine billion, nine hundred ninety-seven million, one hundred thirty-two thousand, eight hundred forty-four".

Divisors: 1 2 4 29 58 116 8293 16586 33172 72763 145526 240497 291052 480994 961988 2110127 4220254 8440508 603423559 1206847118 2413694236 17499283211 34998566422 69997132844