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5111315450 = 252397257497
BaseRepresentation
bin1001100001010100…
…00111101111111010
3111012012211201122122
410300222013233322
540431444043300
62203105121242
7240443315213
oct46052075772
914165751578
105111315450
112193227a4a
12ba7929222
13635c34917
14366b9a40a
151edae3c85
hex130a87bfa

5111315450 has 24 divisors (see below), whose sum is σ = 9531030972. Its totient is φ = 2039368320.

The previous prime is 5111315449. The next prime is 5111315491. The reversal of 5111315450 is 545131115.

It can be written as a sum of positive squares in 6 ways, for example, as 3649247281 + 1462068169 = 60409^2 + 38237^2 .

It is a super-2 number, since 2×51113154502 = 52251091258817405000, which contains 22 as substring.

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, 108899 + ... + 148598.

Almost surely, 25111315450 is an apocalyptic number.

5111315450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5111315450 is a deficient number, since it is larger than the sum of its proper divisors (4419715522).

5111315450 is a wasteful number, since it uses less digits than its factorization.

5111315450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257906 (or 257901 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 5111315450 is about 71493.4643866137. The cubic root of 5111315450 is about 1722.5727059538.

Adding to 5111315450 its reverse (545131115), we get a palindrome (5656446565).

The spelling of 5111315450 in words is "five billion, one hundred eleven million, three hundred fifteen thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 397 794 1985 3970 9925 19850 257497 514994 1287485 2574970 6437425 12874850 102226309 204452618 511131545 1022263090 2555657725 5111315450