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75212240564 = 2281123185031
BaseRepresentation
bin100011000001011111…
…1111011011010110100
321012010200002200202102
41012002333323122310
52213013313144224
654315123201232
75301554332166
oct1060277733264
9235120080672
1075212240564
11299963925aa
12126b0516218
137128257b76
1438d6d64936
151e52edd4ae
hex1182ffb6b4

75212240564 has 12 divisors (see below), whose sum is σ = 131783721888. Its totient is φ = 37559748600.

The previous prime is 75212240561. The next prime is 75212240699. The reversal of 75212240564 is 46504221257.

It is a super-2 number, since 2×752122405642 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75212240561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11589272 + ... + 11595759.

It is an arithmetic number, because the mean of its divisors is an integer number (10981976824).

Almost surely, 275212240564 is an apocalyptic number.

It is an amenable number.

75212240564 is a deficient number, since it is larger than the sum of its proper divisors (56571481324).

75212240564 is a wasteful number, since it uses less digits than its factorization.

75212240564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23185846 (or 23185844 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 75212240564 in words is "seventy-five billion, two hundred twelve million, two hundred forty thousand, five hundred sixty-four".

Divisors: 1 2 4 811 1622 3244 23185031 46370062 92740124 18803060141 37606120282 75212240564