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123020013221130 = 23531313101172867
BaseRepresentation
bin11011111110001011010100…
…001100000011010100001010
3121010120121011020110021121210
4123332023110030003110022
5112111024441341034010
61113350340333113550
734624621416051564
oct3376132414032412
9533517136407553
10123020013221130
113621a54937a163
121196a1296288b6
1353849782b324c
1422542b3cd0334
15e35075d77b20
hex6fe2d430350a

123020013221130 has 32 divisors (see below), whose sum is σ = 296191316199744. Its totient is φ = 32700527473536.

The previous prime is 123020013221129. The next prime is 123020013221177. The reversal of 123020013221130 is 31122310020321.

It is a junction number, because it is equal to n+sod(n) for n = 123020013221097 and 123020013221106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6550577044 + ... + 6550595823.

It is an arithmetic number, because the mean of its divisors is an integer number (9255978631242).

Almost surely, 2123020013221130 is an apocalyptic number.

123020013221130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123020013221130 is an abundant number, since it is smaller than the sum of its proper divisors (173171302978614).

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

123020013221130 is a wasteful number, since it uses less digits than its factorization.

123020013221130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13101173190.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 123020013221130 its reverse (31122310020321), we get a palindrome (154142323241451).

The spelling of 123020013221130 in words is "one hundred twenty-three trillion, twenty billion, thirteen million, two hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 313 626 939 1565 1878 3130 4695 9390 13101172867 26202345734 39303518601 65505864335 78607037202 131011728670 196517593005 393035186010 4100667107371 8201334214742 12302001322113 20503335536855 24604002644226 41006671073710 61510006610565 123020013221130