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22307529049 = 131715963773
BaseRepresentation
bin10100110001101000…
…011110000101011001
32010120122112220000121
4110301220132011121
5331141211412144
614125315433241
71416541603561
oct246150360531
963518486017
1022307529049
119508022823
1243a68b5821
132146787a40
141118953da1
158a8628384
hex531a1e159

22307529049 has 4 divisors (see below), whose sum is σ = 24023492836. Its totient is φ = 20591565264.

The previous prime is 22307529043. The next prime is 22307529061. The reversal of 22307529049 is 94092570322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4320695824 + 17986833225 = 65732^2 + 134115^2 .

It is a cyclic number.

It is not a de Polignac number, because 22307529049 - 219 = 22307004761 is a prime.

It is a super-3 number, since 3×223075290493 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22307528996 and 22307529014.

It is not an unprimeable number, because it can be changed into a prime (22307529043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857981874 + ... + 857981899.

It is an arithmetic number, because the mean of its divisors is an integer number (6005873209).

Almost surely, 222307529049 is an apocalyptic number.

It is an amenable number.

22307529049 is a deficient number, since it is larger than the sum of its proper divisors (1715963787).

22307529049 is a wasteful number, since it uses less digits than its factorization.

22307529049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715963786.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 22307529049 in words is "twenty-two billion, three hundred seven million, five hundred twenty-nine thousand, forty-nine".

Divisors: 1 13 1715963773 22307529049