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75480371144 = 23177914234937
BaseRepresentation
bin100011001001011111…
…0110000111111001000
321012211100122010202122
41012102332300333020
52214040433334034
654401502150412
75311321366043
oct1062276607710
9235740563678
1075480371144
112a01377a022
1212766282408
13716b977b09
1439207ddc5a
151e6b80462e
hex1192fb0fc8

75480371144 has 64 divisors (see below), whose sum is σ = 151884979200. Its totient is φ = 35038808064.

The previous prime is 75480371143. The next prime is 75480371171. The reversal of 75480371144 is 44117308457.

It is a junction number, because it is equal to n+sod(n) for n = 75480371095 and 75480371104.

It is not an unprimeable number, because it can be changed into a prime (75480371143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15286244 + ... + 15291180.

It is an arithmetic number, because the mean of its divisors is an integer number (2373202800).

Almost surely, 275480371144 is an apocalyptic number.

It is an amenable number.

75480371144 is an abundant number, since it is smaller than the sum of its proper divisors (76404608056).

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

75480371144 is a wasteful number, since it uses less digits than its factorization.

75480371144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6462 (or 6458 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 75480371144 in words is "seventy-five billion, four hundred eighty million, three hundred seventy-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 17 34 68 79 136 158 316 632 1343 1423 2686 2846 4937 5372 5692 9874 10744 11384 19748 24191 39496 48382 83929 96764 112417 167858 193528 224834 335716 390023 449668 671432 780046 899336 1560092 1911089 3120184 3822178 6630391 7025351 7644356 13260782 14050702 15288712 26521564 28101404 53043128 56202808 119430967 238861934 477723868 555002729 955447736 1110005458 2220010916 4440021832 9435046393 18870092786 37740185572 75480371144