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5185185153 = 31728395051
BaseRepresentation
bin1001101010000111…
…11010010110000001
3111101100211200211120
410311003322112001
541104401411103
62214304302453
7242331226611
oct46503722601
914340750746
105185185153
1122209a1395
121008611a29
136483298c5
14372908a41
15205336253
hex1350fa581

5185185153 has 4 divisors (see below), whose sum is σ = 6913580208. Its totient is φ = 3456790100.

The previous prime is 5185185127. The next prime is 5185185191. The reversal of 5185185153 is 3515815815.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5185185153 - 25 = 5185185121 is a prime.

It is a super-2 number, since 2×51851851532 = 53772290141783266818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5185185553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 864197523 + ... + 864197528.

It is an arithmetic number, because the mean of its divisors is an integer number (1728395052).

Almost surely, 25185185153 is an apocalyptic number.

It is an amenable number.

5185185153 is a deficient number, since it is larger than the sum of its proper divisors (1728395055).

5185185153 is a wasteful number, since it uses less digits than its factorization.

5185185153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728395054.

The product of its digits is 120000, while the sum is 42.

The square root of 5185185153 is about 72008.2297588269. The cubic root of 5185185153 is about 1730.8313637025.

The spelling of 5185185153 in words is "five billion, one hundred eighty-five million, one hundred eighty-five thousand, one hundred fifty-three".

Divisors: 1 3 1728395051 5185185153