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23142020252 = 22131289345259
BaseRepresentation
bin10101100011010111…
…110011010010011100
32012201210210102202012
4111203113303102130
5334343324122002
614344205450352
71446323632541
oct254327632234
965653712665
1023142020252
1198a608137a
12459a2709b8
13224a625c10
1411976dabc8
15906a14d52
hex5635f349c

23142020252 has 24 divisors (see below), whose sum is σ = 43647769200. Its totient is φ = 10672615296.

The previous prime is 23142020249. The next prime is 23142020263. The reversal of 23142020252 is 25202024132.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 105602 + ... + 239657.

It is an arithmetic number, because the mean of its divisors is an integer number (1818657050).

Almost surely, 223142020252 is an apocalyptic number.

It is an amenable number.

23142020252 is a deficient number, since it is larger than the sum of its proper divisors (20505748948).

23142020252 is a wasteful number, since it uses less digits than its factorization.

23142020252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346565 (or 346563 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 23142020252 its reverse (25202024132), we get a palindrome (48344044384).

The spelling of 23142020252 in words is "twenty-three billion, one hundred forty-two million, twenty thousand, two hundred fifty-two".

Divisors: 1 2 4 13 26 52 1289 2578 5156 16757 33514 67028 345259 690518 1381036 4488367 8976734 17953468 445038851 890077702 1780155404 5785505063 11571010126 23142020252