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1418103108 = 223239391753
BaseRepresentation
bin101010010000110…
…1000100101000100
310122211102002202100
41110201220211010
510401013244413
6352414512100
750066451252
oct12441504504
93584362670
101418103108
11668533944
12336b05630
13197a49686
14d64a55d2
158476da73
hex54868944

1418103108 has 18 divisors (see below), whose sum is σ = 3584649614. Its totient is φ = 472701024.

The previous prime is 1418103083. The next prime is 1418103109. The reversal of 1418103108 is 8013018141.

It can be written as a sum of positive squares in only one way, i.e., 1164720384 + 253382724 = 34128^2 + 15918^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×14181031082 = 4022032849838519328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1418103109) 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 5 ways as a sum of consecutive naturals, for example, 19695841 + ... + 19695912.

Almost surely, 21418103108 is an apocalyptic number.

1418103108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1418103108 is an abundant number, since it is smaller than the sum of its proper divisors (2166546506).

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

1418103108 is a wasteful number, since it uses less digits than its factorization.

1418103108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39391763 (or 39391758 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 1418103108 is about 37657.7098082186. The cubic root of 1418103108 is about 1123.4901511493.

The spelling of 1418103108 in words is "one billion, four hundred eighteen million, one hundred three thousand, one hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 39391753 78783506 118175259 157567012 236350518 354525777 472701036 709051554 1418103108