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190020573884 = 22192500270709
BaseRepresentation
bin1011000011111000011…
…0111101101010111100
3200011110212020022102202
42300332012331222330
511103130231331014
6223143320211032
716504613141141
oct2607606755274
9604425208382
10190020573884
11736507296a9
12309b1609a78
1314bc39863cb
1492a89963c8
154e222cc3de
hex2c3e1bdabc

190020573884 has 12 divisors (see below), whose sum is σ = 350037899400. Its totient is φ = 90009745488.

The previous prime is 190020573871. The next prime is 190020573917. The reversal of 190020573884 is 488375020091.

It is a happy number.

It is a super-2 number, since 2×1900205738842 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250135279 + ... + 1250135430.

It is an arithmetic number, because the mean of its divisors is an integer number (29169824950).

Almost surely, 2190020573884 is an apocalyptic number.

It is an amenable number.

190020573884 is a deficient number, since it is larger than the sum of its proper divisors (160017325516).

190020573884 is a wasteful number, since it uses less digits than its factorization.

190020573884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500270732 (or 2500270730 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 190020573884 in words is "one hundred ninety billion, twenty million, five hundred seventy-three thousand, eight hundred eighty-four".

Divisors: 1 2 4 19 38 76 2500270709 5000541418 10001082836 47505143471 95010286942 190020573884