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19020520022 = 272316260869
BaseRepresentation
bin10001101101101101…
…100001101001010110
31211002120110112022112
4101231231201221112
5302423223120042
612423215431022
71242226516100
oct215555415126
954076415275
1019020520022
118080651239
123829b25472
131a417a379a
14cc619a570
15764c8e982
hex46db61a56

19020520022 has 24 divisors (see below), whose sum is σ = 34259480640. Its totient is φ = 7888693680.

The previous prime is 19020520009. The next prime is 19020520039. The reversal of 19020520022 is 22002502091.

It is a self number, because there is not a number n which added to its sum of digits gives 19020520022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3127397 + ... + 3133472.

It is an arithmetic number, because the mean of its divisors is an integer number (1427478360).

Almost surely, 219020520022 is an apocalyptic number.

19020520022 is a deficient number, since it is larger than the sum of its proper divisors (15238960618).

19020520022 is a wasteful number, since it uses less digits than its factorization.

19020520022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260916 (or 6260909 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The spelling of 19020520022 in words is "nineteen billion, twenty million, five hundred twenty thousand, twenty-two".

Divisors: 1 2 7 14 31 49 62 98 217 434 1519 3038 6260869 12521738 43826083 87652166 194086939 306782581 388173878 613565162 1358608573 2717217146 9510260011 19020520022