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20125232141 = 73777703599
BaseRepresentation
bin10010101111100011…
…101010110000001101
31220221120011201110012
4102233203222300031
5312204024412031
613125001323005
71311502436120
oct225743526015
956846151405
1020125232141
118598194863
123a97a96465
131b896141b1
14d8cba43b7
157cbc56b2b
hex4af8eac0d

20125232141 has 8 divisors (see below), whose sum is σ = 23621894400. Its totient is φ = 16783977168.

The previous prime is 20125232131. The next prime is 20125232173. The reversal of 20125232141 is 14123252102.

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

It is a de Polignac number, because none of the positive numbers 2k-20125232141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20125232131) 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, 38851541 + ... + 38852058.

It is an arithmetic number, because the mean of its divisors is an integer number (2952736800).

Almost surely, 220125232141 is an apocalyptic number.

It is an amenable number.

20125232141 is a deficient number, since it is larger than the sum of its proper divisors (3496662259).

20125232141 is an equidigital number, since it uses as much as digits as its factorization.

20125232141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77703643.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 20125232141 its reverse (14123252102), we get a palindrome (34248484243).

The spelling of 20125232141 in words is "twenty billion, one hundred twenty-five million, two hundred thirty-two thousand, one hundred forty-one".

Divisors: 1 7 37 259 77703599 543925193 2875033163 20125232141