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123132131014420 = 225111732923029683
BaseRepresentation
bin11011111111110011101110…
…111011011111011100010100
3121010222022112220212022020101
4123333303232323133130110
5112114344101014430140
61113514041534343444
734636000664424523
oct3377635673373424
9533868486768211
10123132131014420
1136263052a00760
12119879b965ab84
13539240548ab78
1422598ac4724ba
15e37e38d4e99a
hex6ffceeedf714

123132131014420 has 48 divisors (see below), whose sum is σ = 298677725293248. Its totient is φ = 42141477992960.

The previous prime is 123132131014393. The next prime is 123132131014423. The reversal of 123132131014420 is 24410131231321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123132131014423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16461511102 + ... + 16461518581.

It is an arithmetic number, because the mean of its divisors is an integer number (6222452610276).

Almost surely, 2123132131014420 is an apocalyptic number.

123132131014420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123132131014420 is an abundant number, since it is smaller than the sum of its proper divisors (175545594278828).

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

123132131014420 is a wasteful number, since it uses less digits than its factorization.

123132131014420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32923029720 (or 32923029718 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 123132131014420 its reverse (24410131231321), we get a palindrome (147542262245741).

The spelling of 123132131014420 in words is "one hundred twenty-three trillion, one hundred thirty-two billion, one hundred thirty-one million, fourteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 17 20 22 34 44 55 68 85 110 170 187 220 340 374 748 935 1870 3740 32923029683 65846059366 131692118732 164615148415 329230296830 362153326513 559691504611 658460593660 724306653026 1119383009222 1448613306052 1810766632565 2238766018444 2798457523055 3621533265130 5596915046110 6156606550721 7243066530260 11193830092220 12313213101442 24626426202884 30783032753605 61566065507210 123132131014420