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20230749604 = 2213389052877
BaseRepresentation
bin10010110101110110…
…001011110110100100
31221012220201120012101
4102311312023312210
5312413032441404
613143251101444
71314223351162
oct226566136644
957186646171
1020230749604
11864180467a
123b072a1884
131ba543a170
14d9cbd0232
157d614b2a4
hex4b5d8bda4

20230749604 has 12 divisors (see below), whose sum is σ = 38127182044. Its totient is φ = 9337269024.

The previous prime is 20230749601. The next prime is 20230749677. The reversal of 20230749604 is 40694703202.

It can be written as a sum of positive squares in 2 ways, for example, as 7742240100 + 12488509504 = 87990^2 + 111752^2 .

It is not an unprimeable number, because it can be changed into a prime (20230749601) 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 3 ways as a sum of consecutive naturals, for example, 194526387 + ... + 194526490.

Almost surely, 220230749604 is an apocalyptic number.

It is an amenable number.

20230749604 is a deficient number, since it is larger than the sum of its proper divisors (17896432440).

20230749604 is a wasteful number, since it uses less digits than its factorization.

20230749604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389052894 (or 389052892 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 20230749604 in words is "twenty billion, two hundred thirty million, seven hundred forty-nine thousand, six hundred four".

Divisors: 1 2 4 13 26 52 389052877 778105754 1556211508 5057687401 10115374802 20230749604