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5311233989 = 19279538631
BaseRepresentation
bin1001111001001001…
…01111111111000101
3111201011000122022222
410330210233333011
541334133441424
62235010102125
7245421513125
oct47444577705
914634018288
105311233989
112286064786
12104287a945
13668490b09
1438555ac85
15211433e5e
hex13c92ffc5

5311233989 has 4 divisors (see below), whose sum is σ = 5590772640. Its totient is φ = 5031695340.

The previous prime is 5311233973. The next prime is 5311233997. The reversal of 5311233989 is 9893321135.

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 5311233989 - 24 = 5311233973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5311233589) 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, 139769297 + ... + 139769334.

It is an arithmetic number, because the mean of its divisors is an integer number (1397693160).

Almost surely, 25311233989 is an apocalyptic number.

It is an amenable number.

5311233989 is a deficient number, since it is larger than the sum of its proper divisors (279538651).

5311233989 is a wasteful number, since it uses less digits than its factorization.

5311233989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279538650.

The product of its digits is 174960, while the sum is 44.

The square root of 5311233989 is about 72878.2134042815. The cubic root of 5311233989 is about 1744.7443942159.

The spelling of 5311233989 in words is "five billion, three hundred eleven million, two hundred thirty-three thousand, nine hundred eighty-nine".

Divisors: 1 19 279538631 5311233989