Search a number
-
+
20251030421232 = 24321310817858131
BaseRepresentation
bin1001001101011000011110…
…11110010111111011110000
32122200222110010111011222100
410212230033132113323300
510123243102241434412
6111023110035140400
74160042261264112
oct446541736277360
978628403434870
1020251030421232
1164a8460802a86
122330951144700
13b3b8829a1720
145002258593b2
15251b9838eedc
hex126b0f797ef0

20251030421232 has 60 divisors (see below), whose sum is σ = 61034355580744. Its totient is φ = 6231086282880.

The previous prime is 20251030421207. The next prime is 20251030421263. The reversal of 20251030421232 is 23212403015202.

20251030421232 is a `hidden beast` number, since 2 + 0 + 2 + 5 + 1 + 0 + 3 + 0 + 421 + 232 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20251030421196 and 20251030421205.

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, 5408927194 + ... + 5408930937.

Almost surely, 220251030421232 is an apocalyptic number.

It is an amenable number.

20251030421232 is an abundant number, since it is smaller than the sum of its proper divisors (40783325159512).

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

20251030421232 is a wasteful number, since it uses less digits than its factorization.

20251030421232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10817858158 (or 10817858149 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 20251030421232 its reverse (23212403015202), we get a palindrome (43463433436434).

The spelling of 20251030421232 in words is "twenty trillion, two hundred fifty-one billion, thirty million, four hundred twenty-one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 104 117 144 156 208 234 312 468 624 936 1872 10817858131 21635716262 32453574393 43271432524 64907148786 86542865048 97360723179 129814297572 140632155703 173085730096 194721446358 259628595144 281264311406 389442892716 421896467109 519257190288 562528622812 778885785432 843792934218 1125057245624 1265689401327 1557771570864 1687585868436 2250114491248 2531378802654 3375171736872 5062757605308 6750343473744 10125515210616 20251030421232