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75230380688345 = 549313330511193
BaseRepresentation
bin10001000110101111110000…
…000111100000001111011001
3100212100221202120122110022122
4101012233300013200033121
534330033304424011340
6424000205413431025
721563133651651461
oct2106576007401731
9325327676573278
1075230380688345
1121a75030712683
12853019a33b475
1332c926b2c17ac
141481254112ba1
158a6dac911db5
hex446bf01e03d9

75230380688345 has 8 divisors (see below), whose sum is σ = 90276642851976. Its totient is φ = 60184180533376.

The previous prime is 75230380688311. The next prime is 75230380688363. The reversal of 75230380688345 is 54388608303257.

It can be written as a sum of positive squares in 4 ways, for example, as 25146975384976 + 50083405303369 = 5014676^2 + 7076963^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75230380688345 - 214 = 75230380671961 is a prime.

It is a super-2 number, since 2×752303806883452 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

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, 12789932 + ... + 17721261.

It is an arithmetic number, because the mean of its divisors is an integer number (11284580356497).

Almost surely, 275230380688345 is an apocalyptic number.

It is an amenable number.

75230380688345 is a deficient number, since it is larger than the sum of its proper divisors (15046262163631).

75230380688345 is a wasteful number, since it uses less digits than its factorization.

75230380688345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31004331.

The product of its (nonzero) digits is 116121600, while the sum is 62.

The spelling of 75230380688345 in words is "seventy-five trillion, two hundred thirty billion, three hundred eighty million, six hundred eighty-eight thousand, three hundred forty-five".

Divisors: 1 5 493133 2465665 30511193 152555965 15046076137669 75230380688345