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11102031144 = 23321033149269
BaseRepresentation
bin10100101011011101…
…11000110100101000
31001122201102121122200
422111232320310220
5140214104444034
65033351020200
7542055464511
oct122556706450
931581377580
1011102031144
114787897356
12219a06a660
13107c0cc7c9
1477466da08
1544e9e5a99
hex295bb8d28

11102031144 has 48 divisors (see below), whose sum is σ = 30097310100. Its totient is φ = 3697069824.

The previous prime is 11102031137. The next prime is 11102031167. The reversal of 11102031144 is 44113020111.

11102031144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9902240100 + 1199791044 = 99510^2 + 34638^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259 + ... + 149010.

Almost surely, 211102031144 is an apocalyptic number.

It is an amenable number.

11102031144 is an abundant number, since it is smaller than the sum of its proper divisors (18995278956).

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

11102031144 is a wasteful number, since it uses less digits than its factorization.

11102031144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150314 (or 150307 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11102031144 its reverse (44113020111), we get a palindrome (55215051255).

The spelling of 11102031144 in words is "eleven billion, one hundred two million, thirty-one thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1033 2066 3099 4132 6198 8264 9297 12396 18594 24792 37188 74376 149269 298538 447807 597076 895614 1194152 1343421 1791228 2686842 3582456 5373684 10747368 154194877 308389754 462584631 616779508 925169262 1233559016 1387753893 1850338524 2775507786 3700677048 5551015572 11102031144