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431220454025055 = 3590913162251707
BaseRepresentation
bin110001000001100010101010…
…1111110110110011101011111
32002112211021100212112010010220
41202003011111332312131133
5423010103442212300210
64125043535231332423
7156554435562353652
oct14203052576663537
92075737325463126
10431220454025055
11115444627448582
12404454b5681113
131567cbb6a283b6
14786b27782d899
1534cc078644c70
hex1883155fb675f

431220454025055 has 16 divisors (see below), whose sum is σ = 690028620699264. Its totient is φ = 229958944060320.

The previous prime is 431220454024931. The next prime is 431220454025129. The reversal of 431220454025055 is 550520454022134.

It is not a de Polignac number, because 431220454025055 - 214 = 431220454008671 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 431220454024998 and 431220454025016.

It is a congruent number.

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, 1580989489 + ... + 1581262218.

It is an arithmetic number, because the mean of its divisors is an integer number (43126788793704).

Almost surely, 2431220454025055 is an apocalyptic number.

431220454025055 is a deficient number, since it is larger than the sum of its proper divisors (258808166674209).

431220454025055 is a wasteful number, since it uses less digits than its factorization.

431220454025055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3162260806.

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 431220454025055 in words is "four hundred thirty-one trillion, two hundred twenty billion, four hundred fifty-four million, twenty-five thousand, fifty-five".

Divisors: 1 3 5 15 9091 27273 45455 136365 3162251707 9486755121 15811258535 47433775605 28748030268337 86244090805011 143740151341685 431220454025055