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1898344012 = 228910195233
BaseRepresentation
bin111000100100110…
…0110111001001100
311220022001212102111
41301021212321030
512341434002022
6512212033404
765020441435
oct16111467114
94808055374
101898344012
11894624a54
1244b902864
132433a3ba6
1414019648c
15b19d2477
hex71266e4c

1898344012 has 24 divisors (see below), whose sum is σ = 3363368400. Its totient is φ = 937406976.

The previous prime is 1898344003. The next prime is 1898344033. The reversal of 1898344012 is 2104438981.

It is a super-2 number, since 2×18983440122 = 7207419975792512288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360148 + ... + 365380.

It is an arithmetic number, because the mean of its divisors is an integer number (140140350).

Almost surely, 21898344012 is an apocalyptic number.

It is an amenable number.

1898344012 is a deficient number, since it is larger than the sum of its proper divisors (1465024388).

1898344012 is a wasteful number, since it uses less digits than its factorization.

1898344012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6345 (or 6343 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 1898344012 is about 43569.9898095008. The cubic root of 1898344012 is about 1238.2023926965.

The spelling of 1898344012 in words is "one billion, eight hundred ninety-eight million, three hundred forty-four thousand, twelve".

Divisors: 1 2 4 89 178 356 1019 2038 4076 5233 10466 20932 90691 181382 362764 465737 931474 1862948 5332427 10664854 21329708 474586003 949172006 1898344012