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22305423007 = 730743323971
BaseRepresentation
bin10100110001100000…
…011011111010011111
32010120111120220002001
4110301200123322133
5331140142014012
614125202343131
71416514652530
oct246140337237
963514526061
1022305423007
11950691449a
1243a605aaa7
1321461cb26a
141118566687
158a835e357
hex53181be9f

22305423007 has 16 divisors (see below), whose sum is σ = 25635081472. Its totient is φ = 19011853440.

The previous prime is 22305423001. The next prime is 22305423011. The reversal of 22305423007 is 70032450322.

It is a cyclic number.

It is not a de Polignac number, because 22305423007 - 23 = 22305422999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22305423001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 918532 + ... + 942502.

It is an arithmetic number, because the mean of its divisors is an integer number (1602192592).

Almost surely, 222305423007 is an apocalyptic number.

22305423007 is a deficient number, since it is larger than the sum of its proper divisors (3329658465).

22305423007 is a wasteful number, since it uses less digits than its factorization.

22305423007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24718.

The product of its (nonzero) digits is 10080, while the sum is 28.

Adding to 22305423007 its reverse (70032450322), we get a palindrome (92337873329).

The spelling of 22305423007 in words is "twenty-two billion, three hundred five million, four hundred twenty-three thousand, seven".

Divisors: 1 7 307 433 2149 3031 23971 132931 167797 930517 7359097 10379443 51513679 72656101 3186489001 22305423007