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151400015125 = 531211200121
BaseRepresentation
bin1000110100000000100…
…1001110010100010101
3112110210022211122120121
42031000021032110111
54440031400441000
6153315135431541
713636555616002
oct2150011162425
9473708748517
10151400015125
11592323a8247
12254136855b1
131137a634a88
1474836a88a9
153e11978b1a
hex234024e515

151400015125 has 8 divisors (see below), whose sum is σ = 188947219032. Its totient is φ = 121120012000.

The previous prime is 151400015111. The next prime is 151400015149. The reversal of 151400015125 is 521510004151.

It can be written as a sum of positive squares in 4 ways, for example, as 37475539396 + 113924475729 = 193586^2 + 337527^2 .

It is a de Polignac number, because none of the positive numbers 2k-151400015125 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151400015125.

It is a congruent 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, 605599936 + ... + 605600185.

It is an arithmetic number, because the mean of its divisors is an integer number (23618402379).

Almost surely, 2151400015125 is an apocalyptic number.

It is an amenable number.

151400015125 is a deficient number, since it is larger than the sum of its proper divisors (37547203907).

151400015125 is an equidigital number, since it uses as much as digits as its factorization.

151400015125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211200136 (or 1211200126 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 25.

Adding to 151400015125 its reverse (521510004151), we get a palindrome (672910019276).

The spelling of 151400015125 in words is "one hundred fifty-one billion, four hundred million, fifteen thousand, one hundred twenty-five".

Divisors: 1 5 25 125 1211200121 6056000605 30280003025 151400015125