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5145642725 = 523137311577
BaseRepresentation
bin1001100101011010…
…00100011011100101
3111021121102201211012
410302231010123211
541014241031400
62210332552005
7241341145556
oct46255043345
914247381735
105145642725
1122006435a3
12bb7322605
13640093412
1436b57432d
15201b24d35
hex132b446e5

5145642725 has 48 divisors (see below), whose sum is σ = 6797945856. Its totient is φ = 3856896000.

The previous prime is 5145642707. The next prime is 5145642727. The reversal of 5145642725 is 5272465415.

It is not a de Polignac number, because 5145642725 - 26 = 5145642661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145642727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8917637 + ... + 8918213.

It is an arithmetic number, because the mean of its divisors is an integer number (141623872).

Almost surely, 25145642725 is an apocalyptic number.

It is an amenable number.

5145642725 is a deficient number, since it is larger than the sum of its proper divisors (1652303131).

5145642725 is a wasteful number, since it uses less digits than its factorization.

5145642725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966 (or 961 counting only the distinct ones).

The product of its digits is 336000, while the sum is 41.

The square root of 5145642725 is about 71733.1354744793. The cubic root of 5145642725 is about 1726.4203354851.

The spelling of 5145642725 in words is "five billion, one hundred forty-five million, six hundred forty-two thousand, seven hundred twenty-five".

Divisors: 1 5 25 31 37 155 185 311 577 775 925 1147 1555 2885 5735 7775 9641 11507 14425 17887 21349 28675 48205 57535 89435 106745 179447 241025 287675 356717 447175 533725 661819 897235 1783585 3309095 4486175 5562857 6639539 8917925 16545475 27814285 33197695 139071425 165988475 205825709 1029128545 5145642725