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126051431420 = 22518113480161
BaseRepresentation
bin111010101100101000…
…0000011001111111100
3110001100202000011211002
41311121100003033330
54031123131301140
6133523543345432
712051446326415
oct1653120031774
9401322004732
10126051431420
1149504824112
122051a452278
13bb6ab1cc15
14615ad0280c
15342b39c415
hex1d594033fc

126051431420 has 24 divisors (see below), whose sum is σ = 264854248848. Its totient is φ = 50392716800.

The previous prime is 126051431419. The next prime is 126051431453. The reversal of 126051431420 is 24134150621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1703861 + ... + 1776300.

It is an arithmetic number, because the mean of its divisors is an integer number (11035593702).

Almost surely, 2126051431420 is an apocalyptic number.

126051431420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126051431420 is an abundant number, since it is smaller than the sum of its proper divisors (138802817428).

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

126051431420 is a wasteful number, since it uses less digits than its factorization.

126051431420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481981 (or 3481979 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 126051431420 in words is "one hundred twenty-six billion, fifty-one million, four hundred thirty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1811 3622 7244 9055 18110 36220 3480161 6960322 13920644 17400805 34801610 69603220 6302571571 12605143142 25210286284 31512857855 63025715710 126051431420