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190231012 = 2247557753
BaseRepresentation
bin10110101011010…
…11000111100100
3111020221201220001
423111223013210
5342144343022
630513151044
74466636236
oct1325530744
9436851801
10190231012
1198420414
125385b484
133054693a
141b39c256
1511a79b27
hexb56b1e4

190231012 has 6 divisors (see below), whose sum is σ = 332904278. Its totient is φ = 95115504.

The previous prime is 190231007. The next prime is 190231031. The reversal of 190231012 is 210132091.

190231012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 127599616 + 62631396 = 11296^2 + 7914^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23778873 + ... + 23778880.

Almost surely, 2190231012 is an apocalyptic number.

It is an amenable number.

190231012 is a deficient number, since it is larger than the sum of its proper divisors (142673266).

190231012 is a wasteful number, since it uses less digits than its factorization.

190231012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47557757 (or 47557755 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 190231012 is about 13792.4258924962. The cubic root of 190231012 is about 575.1226072509.

The spelling of 190231012 in words is "one hundred ninety million, two hundred thirty-one thousand, twelve".

Divisors: 1 2 4 47557753 95115506 190231012