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431020410112420 = 22521551020505621
BaseRepresentation
bin110001000000000101100001…
…0011011111000100110100100
32002112010011000110121102211121
41202000023002123320212210
5422443314244442044140
64124412013132143324
7156534124366224532
oct14200130233704644
92075104013542747
10431020410112420
11115377802914147
1240412787307b44
13156670865a281b
1478616db99b152
1534c6c6b3e964a
hex18802c26f89a4

431020410112420 has 12 divisors (see below), whose sum is σ = 905142861236124. Its totient is φ = 172408164044960.

The previous prime is 431020410112367. The next prime is 431020410112499. The reversal of 431020410112420 is 24211014020134.

It can be written as a sum of positive squares in 2 ways, for example, as 197125475059044 + 233894935053376 = 14040138^2 + 15293624^2 .

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 3 ways as a sum of consecutive naturals, for example, 10775510252791 + ... + 10775510252830.

It is an arithmetic number, because the mean of its divisors is an integer number (75428571769677).

Almost surely, 2431020410112420 is an apocalyptic number.

It is an amenable number.

431020410112420 is an abundant number, since it is smaller than the sum of its proper divisors (474122451123704).

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

431020410112420 is a wasteful number, since it uses less digits than its factorization.

431020410112420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21551020505630 (or 21551020505628 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 431020410112420 its reverse (24211014020134), we get a palindrome (455231424132554).

The spelling of 431020410112420 in words is "four hundred thirty-one trillion, twenty billion, four hundred ten million, one hundred twelve thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 21551020505621 43102041011242 86204082022484 107755102528105 215510205056210 431020410112420