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190306292990 = 25111730057209
BaseRepresentation
bin1011000100111100100…
…0111001010011111110
3200012012202212100100212
42301033020321103332
511104221402333430
6223231524152422
716514652541352
oct2611710712376
9605182770325
10190306292990
1173787a396a0
1230a71238712
1314c3ac23c78
1492d48cd462
154e3c419b95
hex2c4f2394fe

190306292990 has 16 divisors (see below), whose sum is σ = 373692357360. Its totient is φ = 69202288320.

The previous prime is 190306292989. The next prime is 190306293013. The reversal of 190306292990 is 99292603091.

It is a congruent number.

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, 865028495 + ... + 865028714.

It is an arithmetic number, because the mean of its divisors is an integer number (23355772335).

Almost surely, 2190306292990 is an apocalyptic number.

190306292990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190306292990 is a deficient number, since it is larger than the sum of its proper divisors (183386064370).

190306292990 is a wasteful number, since it uses less digits than its factorization.

190306292990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730057227.

The product of its (nonzero) digits is 472392, while the sum is 50.

The spelling of 190306292990 in words is "one hundred ninety billion, three hundred six million, two hundred ninety-two thousand, nine hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 1730057209 3460114418 8650286045 17300572090 19030629299 38061258598 95153146495 190306292990