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23142120051 = 347164128511
BaseRepresentation
bin10101100011011000…
…001011101001110011
32012201210222111122110
4111203120023221303
5334343340320201
614344211540403
71446324526521
oct254330135163
965653874573
1023142120051
1198a613a356
12459a2ba703
13224a65c47b
141197725311
15906a346d6
hex56360ba73

23142120051 has 8 divisors (see below), whose sum is σ = 31512674304. Its totient is φ = 15099822920.

The previous prime is 23142120047. The next prime is 23142120083. The reversal of 23142120051 is 15002124132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23142120051 - 22 = 23142120047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23142120041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82064115 + ... + 82064396.

It is an arithmetic number, because the mean of its divisors is an integer number (3939084288).

Almost surely, 223142120051 is an apocalyptic number.

23142120051 is a deficient number, since it is larger than the sum of its proper divisors (8370554253).

23142120051 is a wasteful number, since it uses less digits than its factorization.

23142120051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164128561.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 23142120051 its reverse (15002124132), we get a palindrome (38144244183).

The spelling of 23142120051 in words is "twenty-three billion, one hundred forty-two million, one hundred twenty thousand, fifty-one".

Divisors: 1 3 47 141 164128511 492385533 7714040017 23142120051