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75855506970 = 23514291769431
BaseRepresentation
bin100011010100101010…
…1110010111000011010
321020210111112000101010
41012221111302320122
52220323002210340
654503022434350
75323525112355
oct1065125627032
9236714460333
1075855506970
112a196502131
121284ba329b6
1371cb5c1c89
14395857129c
151e8e705b80
hex11a9572e1a

75855506970 has 32 divisors (see below), whose sum is σ = 182180718720. Its totient is φ = 20213968320.

The previous prime is 75855506959. The next prime is 75855506971. The reversal of 75855506970 is 7960555857.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 75855506970.

It is not an unprimeable number, because it can be changed into a prime (75855506971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841846 + ... + 927585.

It is an arithmetic number, because the mean of its divisors is an integer number (5693147460).

Almost surely, 275855506970 is an apocalyptic number.

75855506970 is an abundant number, since it is smaller than the sum of its proper divisors (106325211750).

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

75855506970 is a wasteful number, since it uses less digits than its factorization.

75855506970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770870.

The product of its (nonzero) digits is 13230000, while the sum is 57.

The spelling of 75855506970 in words is "seventy-five billion, eight hundred fifty-five million, five hundred six thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 1429 2858 4287 7145 8574 14290 21435 42870 1769431 3538862 5308293 8847155 10616586 17694310 26541465 53082930 2528516899 5057033798 7585550697 12642584495 15171101394 25285168990 37927753485 75855506970