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11312320110 = 2357134143707
BaseRepresentation
bin10101000100100010…
…00100111001101110
31002012101010101212220
422202101010321232
5141131423220420
65110302140210
7550221064050
oct124221047156
932171111786
1011312320110
114885567593
122238581666
1310b384a050
1479456d8d0
154631d3840
hex2a2444e6e

11312320110 has 64 divisors (see below), whose sum is σ = 33414861312. Its totient is φ = 2386774656.

The previous prime is 11312320091. The next prime is 11312320157. The reversal of 11312320110 is 1102321311.

It is a happy number.

It is a super-2 number, since 2×113123201102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11312320110.

It is a congruent number.

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, 2069124 + ... + 2074583.

It is an arithmetic number, because the mean of its divisors is an integer number (522107208).

Almost surely, 211312320110 is an apocalyptic number.

11312320110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312320110 is an abundant number, since it is smaller than the sum of its proper divisors (22102541202).

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

11312320110 is a wasteful number, since it uses less digits than its factorization.

11312320110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4143737.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11312320110 its reverse (1102321311), we get a palindrome (12414641421).

The spelling of 11312320110 in words is "eleven billion, three hundred twelve million, three hundred twenty thousand, one hundred ten".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 91 105 130 182 195 210 273 390 455 546 910 1365 2730 4143707 8287414 12431121 20718535 24862242 29005949 41437070 53868191 58011898 62155605 87017847 107736382 124311210 145029745 161604573 174035694 269340955 290059490 323209146 377077337 435089235 538681910 754154674 808022865 870178470 1131232011 1616045730 1885386685 2262464022 3770773370 5656160055 11312320110