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148518448840 = 2353712961221
BaseRepresentation
bin1000101001010001100…
…0111010111011001000
3112012100111122220202101
42022110120322323020
54413131210330330
6152121201443144
713505265662056
oct2122430727310
9465314586671
10148518448840
1157a93879903
122494a6404b4
131100b649578
14728cad11d6
153ce39cb4ca
hex229463aec8

148518448840 has 16 divisors (see below), whose sum is σ = 334166509980. Its totient is φ = 59407379520.

The previous prime is 148518448823. The next prime is 148518448879. The reversal of 148518448840 is 48844815841.

It can be written as a sum of positive squares in 2 ways, for example, as 140221789444 + 8296659396 = 374462^2 + 91086^2 .

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 3 ways as a sum of consecutive naturals, for example, 1856480571 + ... + 1856480650.

Almost surely, 2148518448840 is an apocalyptic number.

148518448840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148518448840 is an abundant number, since it is smaller than the sum of its proper divisors (185648061140).

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

148518448840 is a wasteful number, since it uses less digits than its factorization.

148518448840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3712961232 (or 3712961228 counting only the distinct ones).

The product of its (nonzero) digits is 5242880, while the sum is 55.

The spelling of 148518448840 in words is "one hundred forty-eight billion, five hundred eighteen million, four hundred forty-eight thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 3712961221 7425922442 14851844884 18564806105 29703689768 37129612210 74259224420 148518448840