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23403640914 = 2322221585413
BaseRepresentation
bin10101110010111101…
…110011100001010010
32020102001002010211100
4111302331303201102
5340412313002124
614430153125230
71455651444153
oct256275634122
966361063740
1023403640914
119a1a8218a5
1246519b9816
13228c8a6a44
1411c035d92a
1591e9921c9
hex572f73852

23403640914 has 24 divisors (see below), whose sum is σ = 50730806412. Its totient is φ = 7797687840.

The previous prime is 23403640913. The next prime is 23403640973. The reversal of 23403640914 is 41904630432.

It is a happy number.

23403640914 is a `hidden beast` number, since 2 + 3 + 4 + 0 + 3 + 640 + 9 + 1 + 4 = 666.

23403640914 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 23261435289 + 142205625 = 152517^2 + 11925^2 .

It is not an unprimeable number, because it can be changed into a prime (23403640913) 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 11 ways as a sum of consecutive naturals, for example, 252729 + ... + 332684.

Almost surely, 223403640914 is an apocalyptic number.

23403640914 is an abundant number, since it is smaller than the sum of its proper divisors (27327165498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23403640914 is a wasteful number, since it uses less digits than its factorization.

23403640914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587642 (or 587639 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 23403640914 in words is "twenty-three billion, four hundred three million, six hundred forty thousand, nine hundred fourteen".

Divisors: 1 2 3 6 9 18 2221 4442 6663 13326 19989 39978 585413 1170826 1756239 3512478 5268717 10537434 1300202273 2600404546 3900606819 7801213638 11701820457 23403640914