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20250140452 = 2289382314879
BaseRepresentation
bin10010110111000000…
…001001111100100100
31221021021012201102221
4102313000021330210
5312433013443302
613145222442124
71314550232233
oct226700117444
957237181387
1020250140452
118651749273
123b11893344
131ba9469239
14da15dab1a
157d7bcb937
hex4b7009f24

20250140452 has 24 divisors (see below), whose sum is σ = 35847705600. Its totient is φ = 10008014016.

The previous prime is 20250140437. The next prime is 20250140453. The reversal of 20250140452 is 25404105202.

It is not an unprimeable number, because it can be changed into a prime (20250140453) 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, 1353549 + ... + 1368427.

It is an arithmetic number, because the mean of its divisors is an integer number (1493654400).

Almost surely, 220250140452 is an apocalyptic number.

It is an amenable number.

20250140452 is a deficient number, since it is larger than the sum of its proper divisors (15597565148).

20250140452 is a wasteful number, since it uses less digits than its factorization.

20250140452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18795 (or 18793 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 20250140452 its reverse (25404105202), we get a palindrome (45654245654).

The spelling of 20250140452 in words is "twenty billion, two hundred fifty million, one hundred forty thousand, four hundred fifty-two".

Divisors: 1 2 4 89 178 356 3823 7646 14879 15292 29758 59516 340247 680494 1324231 1360988 2648462 5296924 56882417 113764834 227529668 5062535113 10125070226 20250140452