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11021854930 = 2541107277907
BaseRepresentation
bin10100100001111010…
…00010100011010010
31001110010120020120021
422100331002203102
5140033043324210
65021404334054
7540063135562
oct122075024322
931403506507
1011021854930
114746605819
12217724432a
13106860a168
14767b5cda2
15447959bda
hex290f428d2

11021854930 has 64 divisors (see below), whose sum is σ = 20609914752. Its totient is φ = 4240949760.

The previous prime is 11021854873. The next prime is 11021854933. The reversal of 11021854930 is 3945812011.

It is not an unprimeable number, because it can be changed into a prime (11021854933) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12151537 + ... + 12152443.

It is an arithmetic number, because the mean of its divisors is an integer number (322029918).

Almost surely, 211021854930 is an apocalyptic number.

11021854930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11021854930 is a deficient number, since it is larger than the sum of its proper divisors (9588059822).

11021854930 is a wasteful number, since it uses less digits than its factorization.

11021854930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339.

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 11021854930 in words is "eleven billion, twenty-one million, eight hundred fifty-four thousand, nine hundred thirty".

Divisors: 1 2 5 10 41 82 107 205 214 277 410 535 554 907 1070 1385 1814 2770 4387 4535 8774 9070 11357 21935 22714 29639 37187 43870 56785 59278 74374 97049 113570 148195 185935 194098 251239 296390 371870 485245 502478 970490 1215199 1256195 2430398 2512390 3979009 6075995 7958018 10300799 12151990 19895045 20601598 26882573 39790090 51503995 53765146 103007990 134412865 268825730 1102185493 2204370986 5510927465 11021854930