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23540441412 = 2231961703451
BaseRepresentation
bin10101111011000111…
…101010000101000100
32020202120111022211110
4111323013222011010
5341202323111122
614451521205020
71462232310345
oct257307520504
966676438743
1023540441412
119a8aa69064
12468b790770
1322b2033997
1411d45b00cc
1592b9b590c
hex57b1ea144

23540441412 has 12 divisors (see below), whose sum is σ = 54927696656. Its totient is φ = 7846813800.

The previous prime is 23540441389. The next prime is 23540441471. The reversal of 23540441412 is 21414404532.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 23540441412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 980851714 + ... + 980851737.

Almost surely, 223540441412 is an apocalyptic number.

It is an amenable number.

23540441412 is an abundant number, since it is smaller than the sum of its proper divisors (31387255244).

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

23540441412 is a wasteful number, since it uses less digits than its factorization.

23540441412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961703458 (or 1961703456 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 23540441412 its reverse (21414404532), we get a palindrome (44954845944).

The spelling of 23540441412 in words is "twenty-three billion, five hundred forty million, four hundred forty-one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 1961703451 3923406902 5885110353 7846813804 11770220706 23540441412