Search a number
-
+
22015463065 = 512173617989
BaseRepresentation
bin10100100000001110…
…010100111010011001
32002211021222101210221
4110200032110322121
5330041424304230
614040323440041
71406364230341
oct244016247231
962737871727
1022015463065
119378178282
124324b26021
1320cb10732b
1410cbc47d21
1588cb8527a
hex520394e99

22015463065 has 8 divisors (see below), whose sum is σ = 26440270920. Its totient is φ = 17597893632.

The previous prime is 22015463053. The next prime is 22015463087. The reversal of 22015463065 is 56036451022.

It can be written as a sum of positive squares in 4 ways, for example, as 685444761 + 21330018304 = 26181^2 + 146048^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22015463065 - 229 = 21478592153 is a prime.

It is a super-2 number, since 2×220154630652 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22015463065.

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, 1802910 + ... + 1815079.

It is an arithmetic number, because the mean of its divisors is an integer number (3305033865).

Almost surely, 222015463065 is an apocalyptic number.

It is an amenable number.

22015463065 is a deficient number, since it is larger than the sum of its proper divisors (4424807855).

22015463065 is a wasteful number, since it uses less digits than its factorization.

22015463065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3619211.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 22015463065 in words is "twenty-two billion, fifteen million, four hundred sixty-three thousand, sixty-five".

Divisors: 1 5 1217 6085 3617989 18089945 4403092613 22015463065