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23280772234 = 221535406589
BaseRepresentation
bin10101101011101001…
…000110010010001010
32020002110212202200111
4111223221012102022
5340134334202414
614410043424534
71452630204346
oct255351062212
966073782614
1023280772234
119967430835
12461882514a
1322702b7195
1411abcd8626
15913cc18c4
hex56ba4648a

23280772234 has 8 divisors (see below), whose sum is σ = 34937384580. Its totient is φ = 11634977376.

The previous prime is 23280772223. The next prime is 23280772237. The reversal of 23280772234 is 43227708232.

It can be written as a sum of positive squares in 2 ways, for example, as 23032615225 + 248157009 = 151765^2 + 15753^2 .

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

It is a super-2 number, since 2×232807722342 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23280772237) 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, 2698989 + ... + 2707600.

Almost surely, 223280772234 is an apocalyptic number.

23280772234 is a deficient number, since it is larger than the sum of its proper divisors (11656612346).

23280772234 is a wasteful number, since it uses less digits than its factorization.

23280772234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5408744.

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 23280772234 in words is "twenty-three billion, two hundred eighty million, seven hundred seventy-two thousand, two hundred thirty-four".

Divisors: 1 2 2153 4306 5406589 10813178 11640386117 23280772234