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318030451836 = 22373363048461
BaseRepresentation
bin1001010000011000001…
…01111001010001111100
31010101220002101212211120
410220030011321101330
520202311243424321
6402033504150540
731656043144326
oct4501405712174
91111802355746
10318030451836
1111296a998669
1251777908450
1323cb4461a16
141156da18616
15841557eec6
hex4a0c17947c

318030451836 has 24 divisors (see below), whose sum is σ = 752236413264. Its totient is φ = 104557956480.

The previous prime is 318030451813. The next prime is 318030451841. The reversal of 318030451836 is 638154030813.

It is a super-2 number, since 2×3180304518362 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181523355 + ... + 181525106.

It is an arithmetic number, because the mean of its divisors is an integer number (31343183886).

Almost surely, 2318030451836 is an apocalyptic number.

It is an amenable number.

318030451836 is an abundant number, since it is smaller than the sum of its proper divisors (434205961428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

318030451836 is a wasteful number, since it uses less digits than its factorization.

318030451836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363048541 (or 363048539 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 318030451836 in words is "three hundred eighteen billion, thirty million, four hundred fifty-one thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 363048461 726096922 1089145383 1452193844 2178290766 4356581532 26502537653 53005075306 79507612959 106010150612 159015225918 318030451836