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30255143251015 = 58372903959641
BaseRepresentation
bin1101110000100010100110…
…00100001110110001000111
310222010100210221201211121201
412320101103010032301013
512431200013133013030
6144203004304323331
76241601440263664
oct670212304166107
9128110727654551
1030255143251015
119705152684981
123487796313547
1313b6080c34a27
147684dccaca6b
153770143e42ca
hex1b845310ec47

30255143251015 has 8 divisors (see below), whose sum is σ = 36743595659568. Its totient is φ = 23912498761920.

The previous prime is 30255143250991. The next prime is 30255143251019. The reversal of 30255143251015 is 51015234155203.

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

It is not a de Polignac number, because 30255143251015 - 227 = 30255009033287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30255143251019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36451979406 + ... + 36451980235.

It is an arithmetic number, because the mean of its divisors is an integer number (4592949457446).

Almost surely, 230255143251015 is an apocalyptic number.

30255143251015 is a deficient number, since it is larger than the sum of its proper divisors (6488452408553).

30255143251015 is an equidigital number, since it uses as much as digits as its factorization.

30255143251015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72903959729.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 30255143251015 in words is "thirty trillion, two hundred fifty-five billion, one hundred forty-three million, two hundred fifty-one thousand, fifteen".

Divisors: 1 5 83 415 72903959641 364519798205 6051028650203 30255143251015