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23150251340 = 2251157512567
BaseRepresentation
bin10101100011110111…
…001100110101001100
32012202101021121200022
4111203313030311030
5334402431020330
614345102121312
71446453614066
oct254367146514
965671247608
1023150251340
1198aa793527
1245a0b80238
13224c248598
141198840736
159075ddae5
hex563dccd4c

23150251340 has 12 divisors (see below), whose sum is σ = 48615527856. Its totient is φ = 9260100528.

The previous prime is 23150251303. The next prime is 23150251349. The reversal of 23150251340 is 4315205132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23150251349) 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, 578756264 + ... + 578756303.

It is an arithmetic number, because the mean of its divisors is an integer number (4051293988).

Almost surely, 223150251340 is an apocalyptic number.

23150251340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23150251340 is an abundant number, since it is smaller than the sum of its proper divisors (25465276516).

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

23150251340 is a wasteful number, since it uses less digits than its factorization.

23150251340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157512576 (or 1157512574 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 23150251340 its reverse (4315205132), we get a palindrome (27465456472).

The spelling of 23150251340 in words is "twenty-three billion, one hundred fifty million, two hundred fifty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1157512567 2315025134 4630050268 5787562835 11575125670 23150251340