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21102000232 = 2323946723633
BaseRepresentation
bin10011101001110001…
…101111100001101000
32000110122010200101011
4103221301233201220
5321204103001412
613405533033304
71344633020365
oct235161574150
960418120334
1021102000232
118a49590115
12410b025834
131cb3aa8b91
1410427c546c
158378997a7
hex4e9c6f868

21102000232 has 32 divisors (see below), whose sum is σ = 39818563200. Its totient is φ = 10483911424.

The previous prime is 21102000217. The next prime is 21102000319. The reversal of 21102000232 is 23200020112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881088 + ... + 904720.

It is an arithmetic number, because the mean of its divisors is an integer number (1244330100).

Almost surely, 221102000232 is an apocalyptic number.

It is an amenable number.

21102000232 is a deficient number, since it is larger than the sum of its proper divisors (18716562968).

21102000232 is a wasteful number, since it uses less digits than its factorization.

21102000232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24345 (or 24341 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 21102000232 its reverse (23200020112), we get a palindrome (44302020344).

The spelling of 21102000232 in words is "twenty-one billion, one hundred two million, two hundred thirty-two", and thus it is an aban number.

Divisors: 1 2 4 8 239 467 478 934 956 1868 1912 3736 23633 47266 94532 111613 189064 223226 446452 892904 5648287 11036611 11296574 22073222 22593148 44146444 45186296 88292888 2637750029 5275500058 10551000116 21102000232