Search a number
-
+
21022104332 = 2241128183563
BaseRepresentation
bin10011100101000000…
…111101101100001100
32000021001210112210202
4103211000331230030
5321023124314312
613354000353032
71342642636625
oct234500755414
960231715722
1021022104332
118a08480149
1240a8315778
131ca0383cb8
141035d48a4c
158308669c2
hex4e503db0c

21022104332 has 12 divisors (see below), whose sum is σ = 37685967816. Its totient is φ = 10254684960.

The previous prime is 21022104287. The next prime is 21022104361. The reversal of 21022104332 is 23340122012.

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, 64091618 + ... + 64091945.

It is an arithmetic number, because the mean of its divisors is an integer number (3140497318).

Almost surely, 221022104332 is an apocalyptic number.

It is an amenable number.

21022104332 is a deficient number, since it is larger than the sum of its proper divisors (16663863484).

21022104332 is a wasteful number, since it uses less digits than its factorization.

21022104332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128183608 (or 128183606 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21022104332 its reverse (23340122012), we get a palindrome (44362226344).

The spelling of 21022104332 in words is "twenty-one billion, twenty-two million, one hundred four thousand, three hundred thirty-two".

Divisors: 1 2 4 41 82 164 128183563 256367126 512734252 5255526083 10511052166 21022104332