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4312548137 = 19322344809
BaseRepresentation
bin1000000010000110…
…00100001100101001
3102010112211010220002
410001003010030221
532313003020022
61551532512345
7211604024432
oct40103041451
912115733802
104312548137
111913359277
12a0431b6b5
135395c3b41
142cca72489
151a3912092
hex1010c4329

4312548137 has 4 divisors (see below), whose sum is σ = 4334893140. Its totient is φ = 4290203136.

The previous prime is 4312548127. The next prime is 4312548157. The reversal of 4312548137 is 7318452134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1664313616 + 2648234521 = 40796^2 + 51461^2 .

It is a cyclic number.

It is not a de Polignac number, because 4312548137 - 226 = 4245439273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4312548137.

It is not an unprimeable number, because it can be changed into a prime (4312548127) 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, 11172212 + ... + 11172597.

It is an arithmetic number, because the mean of its divisors is an integer number (1083723285).

Almost surely, 24312548137 is an apocalyptic number.

It is an amenable number.

4312548137 is a deficient number, since it is larger than the sum of its proper divisors (22345003).

4312548137 is a wasteful number, since it uses less digits than its factorization.

4312548137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22345002.

The product of its digits is 80640, while the sum is 38.

The square root of 4312548137 is about 65669.9941906500. The cubic root of 4312548137 is about 1627.7135741263.

The spelling of 4312548137 in words is "four billion, three hundred twelve million, five hundred forty-eight thousand, one hundred thirty-seven".

Divisors: 1 193 22344809 4312548137