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11011104012 = 223672712879
BaseRepresentation
bin10100100000101000…
…00001110100001100
31001102101100001002010
422100110001310030
5140022320312022
65020342101220
7536602561026
oct122024016414
931371301063
1011011104012
114740532467
12217371a810
13106631487c
14766561016
15446a3450c
hex290501d0c

11011104012 has 72 divisors (see below), whose sum is σ = 26458306560. Its totient is φ = 3563424480.

The previous prime is 11011104011. The next prime is 11011104037. The reversal of 11011104012 is 21040111011.

It is a super-2 number, since 2×110111040122 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (11011104011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3823189 + ... + 3826067.

It is an arithmetic number, because the mean of its divisors is an integer number (367476480).

Almost surely, 211011104012 is an apocalyptic number.

11011104012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11011104012 is an abundant number, since it is smaller than the sum of its proper divisors (15447202548).

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

11011104012 is a wasteful number, since it uses less digits than its factorization.

11011104012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091 (or 3022 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11011104012 its reverse (21040111011), we get a palindrome (32051215023).

The spelling of 11011104012 in words is "eleven billion, eleven million, one hundred four thousand, twelve".

Divisors: 1 2 3 4 6 12 67 71 134 142 201 213 268 284 402 426 804 852 2879 4489 4757 5758 8637 8978 9514 11516 13467 14271 17274 17956 19028 26934 28542 34548 53868 57084 192893 204409 318719 385786 408818 578679 613227 637438 771572 817636 956157 1157358 1226454 1274876 1912314 2314716 2452908 3824628 12923831 13695403 25847662 27390806 38771493 41086209 51695324 54781612 77542986 82172418 155085972 164344836 917592001 1835184002 2752776003 3670368004 5505552006 11011104012