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25230524542 = 257792182949
BaseRepresentation
bin10111011111110110…
…110100000001111110
32102010100200110000221
4113133312310001332
5403133003241132
615331333411554
71552143630406
oct273766640176
972110613027
1025230524542
11a777a78583
124a81799bba
1324c121a482
141314c33806
159ca05ae97
hex5dfdb407e

25230524542 has 8 divisors (see below), whose sum is σ = 37852353000. Its totient is φ = 12613073544.

The previous prime is 25230524507. The next prime is 25230524647. The reversal of 25230524542 is 24542503252.

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

It is a junction number, because it is equal to n+sod(n) for n = 25230524498 and 25230524507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1079917 + ... + 1103032.

It is an arithmetic number, because the mean of its divisors is an integer number (4731544125).

Almost surely, 225230524542 is an apocalyptic number.

25230524542 is a deficient number, since it is larger than the sum of its proper divisors (12621828458).

25230524542 is a wasteful number, since it uses less digits than its factorization.

25230524542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188730.

The product of its (nonzero) digits is 96000, while the sum is 34.

The spelling of 25230524542 in words is "twenty-five billion, two hundred thirty million, five hundred twenty-four thousand, five hundred forty-two".

Divisors: 1 2 5779 11558 2182949 4365898 12615262271 25230524542