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75080608272 = 2432521393113
BaseRepresentation
bin100010111101100100…
…1110010101000010000
321011210111102002012100
41011323021302220100
52212231113431042
654254102000400
75265365432445
oct1057311625020
9234714362170
1075080608272
112992905628a
1212674416100
137106bba437
1438c369b9cc
151e4668b24c
hex117b272a10

75080608272 has 30 divisors (see below), whose sum is σ = 210121424942. Its totient is φ = 25026869376.

The previous prime is 75080608271. The next prime is 75080608301. The reversal of 75080608272 is 27280608057.

75080608272 is a `hidden beast` number, since 7 + 508 + 0 + 60 + 82 + 7 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 66954667536 + 8125940736 = 258756^2 + 90144^2 .

It is not an unprimeable number, because it can be changed into a prime (75080608271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 260696413 + ... + 260696700.

Almost surely, 275080608272 is an apocalyptic number.

75080608272 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

75080608272 is an abundant number, since it is smaller than the sum of its proper divisors (135040816670).

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

75080608272 is a wasteful number, since it uses less digits than its factorization.

75080608272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521393127 (or 521393118 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 75080608272 in words is "seventy-five billion, eighty million, six hundred eight thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 521393113 1042786226 1564179339 2085572452 3128358678 4171144904 4692538017 6256717356 8342289808 9385076034 12513434712 18770152068 25026869424 37540304136 75080608272