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115051201225 = 5237124379677
BaseRepresentation
bin110101100100110010…
…1100000001011001001
3101222222010010120210221
41223021211200023021
53341111101414400
6124504230310041
711212035034432
oct1531145401311
9358863116727
10115051201225
114487a449384
121a36a4b8321
13ab06b4487c
1457d5db2489
152ed57b4c1a
hex1ac99602c9

115051201225 has 12 divisors (see below), whose sum is σ = 146519260684. Its totient is φ = 89553366720.

The previous prime is 115051201211. The next prime is 115051201247. The reversal of 115051201225 is 522102150511.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4335959104 + 110715242121 = 65848^2 + 332739^2 .

It is not a de Polignac number, because 115051201225 - 229 = 114514330313 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 115051201225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62188914 + ... + 62190763.

Almost surely, 2115051201225 is an apocalyptic number.

It is an amenable number.

115051201225 is a deficient number, since it is larger than the sum of its proper divisors (31468059459).

115051201225 is a wasteful number, since it uses less digits than its factorization.

115051201225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124379724 (or 124379719 counting only the distinct ones).

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

Adding to 115051201225 its reverse (522102150511), we get a palindrome (637153351736).

The spelling of 115051201225 in words is "one hundred fifteen billion, fifty-one million, two hundred one thousand, two hundred twenty-five".

Divisors: 1 5 25 37 185 925 124379677 621898385 3109491925 4602048049 23010240245 115051201225