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231422121432 = 23323838392157
BaseRepresentation
bin1101011110000111010…
…1010101010111011000
3211010100012112211201200
43113201311111113120
512242423030341212
6254151443114200
722501566401325
oct3274165252730
9733305484650
10231422121432
118a1668330a7
1238a26972960
1318a91209938
14b2b5359b4c
156046d626dc
hex35e1d555d8

231422121432 has 48 divisors (see below), whose sum is σ = 628404791040. Its totient is φ = 76939286208.

The previous prime is 231422121401. The next prime is 231422121479. The reversal of 231422121432 is 234121224132.

231422121432 is a `hidden beast` number, since 2 + 3 + 1 + 4 + 221 + 2 + 1 + 432 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 231422121396 and 231422121405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4168503 + ... + 4223654.

It is an arithmetic number, because the mean of its divisors is an integer number (13091766480).

Almost surely, 2231422121432 is an apocalyptic number.

It is an amenable number.

231422121432 is an abundant number, since it is smaller than the sum of its proper divisors (396982669608).

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

231422121432 is a wasteful number, since it uses less digits than its factorization.

231422121432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8392552 (or 8392545 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 231422121432 its reverse (234121224132), we get a palindrome (465543345564).

The spelling of 231422121432 in words is "two hundred thirty-one billion, four hundred twenty-two million, one hundred twenty-one thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 383 766 1149 1532 2298 3064 3447 4596 6894 9192 13788 27576 8392157 16784314 25176471 33568628 50352942 67137256 75529413 100705884 151058826 201411768 302117652 604235304 3214196131 6428392262 9642588393 12856784524 19285176786 25713569048 28927765179 38570353572 57855530358 77140707144 115711060716 231422121432