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10010111111020 = 22573137220322717
BaseRepresentation
bin1001000110101010100100…
…0111011110111101101100
31022102221211212001220121201
42101222221013132331230
52303001201421023040
633142325341135244
72052130612356136
oct221525107367554
938387755056551
1010010111111020
11320a29a839419
121158039b5a524
13577c45b79957
142686c5d36056
151255bc94ca9a
hex91aa91def6c

10010111111020 has 96 divisors (see below), whose sum is σ = 21475425722688. Its totient is φ = 3918416228352.

The previous prime is 10010111110999. The next prime is 10010111111051. The reversal of 10010111111020 is 2011111101001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10010111110988 and 10010111111006.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 440632702 + ... + 440655418.

It is an arithmetic number, because the mean of its divisors is an integer number (223702351278).

Almost surely, 210010111111020 is an apocalyptic number.

10010111111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10010111111020 is an abundant number, since it is smaller than the sum of its proper divisors (11465314611668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10010111111020 is a wasteful number, since it uses less digits than its factorization.

10010111111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25139 (or 25137 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 10010111111020 its reverse (2011111101001), we get a palindrome (12021222212021).

The spelling of 10010111111020 in words is "ten trillion, ten billion, one hundred eleven million, one hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 73 137 146 274 292 365 548 685 730 1370 1460 2203 2740 4406 8812 10001 11015 20002 22030 22717 40004 44060 45434 50005 90868 100010 113585 160819 200020 227170 301811 321638 454340 603622 643276 804095 1207244 1509055 1608190 1658341 3018110 3112229 3216380 3316682 6036220 6224458 6633364 8291705 12448916 15561145 16583410 22032203 31122290 33166820 44064406 50045551 62244580 88128812 100091102 110161015 200182204 220322030 227192717 250227755 440644060 454385434 500455510 908770868 1000911020 1135963585 2271927170 3653325223 4543854340 6856240487 7306650446 13712480974 14613300892 18266626115 27424961948 34281202435 36533252230 68562404870 73066504460 137124809740 500505555551 1001011111102 2002022222204 2502527777755 5005055555510 10010111111020