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21032023132 = 2216979309677
BaseRepresentation
bin10011100101100110…
…110011010001011100
32000021202110110211201
4103211212303101130
5321033144220012
613354553125244
71343123150461
oct234546632134
960252413751
1021032023132
118a130352aa
1240ab6b9824
131ca2447903
1410373ab668
15831675857
hex4e59b345c

21032023132 has 12 divisors (see below), whose sum is σ = 36808327080. Its totient is φ = 10515358256.

The previous prime is 21032023063. The next prime is 21032023213. The reversal of 21032023132 is 23132023012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86923 + ... + 222754.

It is an arithmetic number, because the mean of its divisors is an integer number (3067360590).

Almost surely, 221032023132 is an apocalyptic number.

It is an amenable number.

21032023132 is a deficient number, since it is larger than the sum of its proper divisors (15776303948).

21032023132 is a wasteful number, since it uses less digits than its factorization.

21032023132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326660 (or 326658 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21032023132 its reverse (23132023012), we get a palindrome (44164046144).

The spelling of 21032023132 in words is "twenty-one billion, thirty-two million, twenty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 16979 33958 67916 309677 619354 1238708 5258005783 10516011566 21032023132