Search a number
-
+
22107552552 = 2332307049341
BaseRepresentation
bin10100100101101101…
…100111101100101000
32010001201021000211200
4110211231213230220
5330234013140202
614053413324200
71411563044661
oct244555475450
963051230750
1022107552552
119415156498
12434b936660
13211420b357
1410da17a368
15895cc5e1c
hex525b67b28

22107552552 has 24 divisors (see below), whose sum is σ = 59874621690. Its totient is φ = 7369184160.

The previous prime is 22107552541. The next prime is 22107552553. The reversal of 22107552552 is 25525570122.

22107552552 is a `hidden beast` number, since 2 + 2 + 10 + 75 + 525 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16872451236 + 5235101316 = 129894^2 + 72354^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (22107552553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153524599 + ... + 153524742.

Almost surely, 222107552552 is an apocalyptic number.

It is an amenable number.

22107552552 is an abundant number, since it is smaller than the sum of its proper divisors (37767069138).

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

22107552552 is a wasteful number, since it uses less digits than its factorization.

22107552552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307049353 (or 307049346 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 36.

The spelling of 22107552552 in words is "twenty-two billion, one hundred seven million, five hundred fifty-two thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 307049341 614098682 921148023 1228197364 1842296046 2456394728 2763444069 3684592092 5526888138 7369184184 11053776276 22107552552