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123132303031020 = 22352052205050517
BaseRepresentation
bin11011111111110011111001…
…001011101011101011101100
3121010222022222220112122122120
4123333303321023223223230
5112114344424033443040
61113514111001312540
734636005153512613
oct3377637113535354
9533868886478576
10123132303031020
1136263131010338
1211987a47195750
135392431cc803a
1422598c724c87a
15e37e48ecc7d0
hex6ffcf92ebaec

123132303031020 has 24 divisors (see below), whose sum is σ = 344770448487024. Its totient is φ = 32835280808256.

The previous prime is 123132303031013. The next prime is 123132303031033. The reversal of 123132303031020 is 20130303231321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026102525199 + ... + 1026102525318.

It is an arithmetic number, because the mean of its divisors is an integer number (14365435353626).

Almost surely, 2123132303031020 is an apocalyptic number.

123132303031020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123132303031020 is an abundant number, since it is smaller than the sum of its proper divisors (221638145456004).

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

123132303031020 is a wasteful number, since it uses less digits than its factorization.

123132303031020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052205050529 (or 2052205050527 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 123132303031020 its reverse (20130303231321), we get a palindrome (143262606262341).

The spelling of 123132303031020 in words is "one hundred twenty-three trillion, one hundred thirty-two billion, three hundred three million, thirty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2052205050517 4104410101034 6156615151551 8208820202068 10261025252585 12313230303102 20522050505170 24626460606204 30783075757755 41044101010340 61566151515510 123132303031020