Search a number
-
+
506125225450 = 25213778654193
BaseRepresentation
bin1110101110101110110…
…10100000110111101010
31210101101201220101221101
413113113122200313222
531243021024203300
61024302152032014
751365153301445
oct7272732406752
91711351811841
10506125225450
11185712549a99
128211039260a
133895c150030
141a6d490c65c
15d273754b6a
hex75d76a0dea

506125225450 has 24 divisors (see below), whose sum is σ = 1013807760588. Its totient is φ = 186877006080.

The previous prime is 506125225433. The next prime is 506125225451. The reversal of 506125225450 is 54522521605.

It can be written as a sum of positive squares in 6 ways, for example, as 152777011689 + 353348213761 = 390867^2 + 594431^2 .

It is not an unprimeable number, because it can be changed into a prime (506125225451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 389326447 + ... + 389327746.

Almost surely, 2506125225450 is an apocalyptic number.

506125225450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

506125225450 is an abundant number, since it is smaller than the sum of its proper divisors (507682535138).

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

506125225450 is a wasteful number, since it uses less digits than its factorization.

506125225450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778654218 (or 778654213 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 506125225450 in words is "five hundred six billion, one hundred twenty-five million, two hundred twenty-five thousand, four hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 778654193 1557308386 3893270965 7786541930 10122504509 19466354825 20245009018 38932709650 50612522545 101225045090 253062612725 506125225450