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25241420541 = 3232334633391
BaseRepresentation
bin10111100000100000…
…011000001011111101
32102011010012000112110
4113200200120023331
5403143300424131
615332403124233
71552335351231
oct274040301375
972133160473
1025241420541
11a78313a937
124a85373679
1324c3563acc
14131646c5c1
159caeae646
hex5e08182fd

25241420541 has 32 divisors (see below), whose sum is σ = 35355820032. Its totient is φ = 15987565440.

The previous prime is 25241420521. The next prime is 25241420551. The reversal of 25241420541 is 14502414252.

It is not a de Polignac number, because 25241420541 - 210 = 25241419517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25241420499 and 25241420508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25241420521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7441956 + ... + 7445346.

It is an arithmetic number, because the mean of its divisors is an integer number (1104869376).

Almost surely, 225241420541 is an apocalyptic number.

It is an amenable number.

25241420541 is a deficient number, since it is larger than the sum of its proper divisors (10114399491).

25241420541 is a wasteful number, since it uses less digits than its factorization.

25241420541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 25241420541 its reverse (14502414252), we get a palindrome (39743834793).

The spelling of 25241420541 in words is "twenty-five billion, two hundred forty-one million, four hundred twenty thousand, five hundred forty-one".

Divisors: 1 3 23 69 233 463 699 1389 3391 5359 10173 10649 16077 31947 77993 107879 233979 323637 790103 1570033 2370309 2481217 4710099 7443651 18172369 36110759 54517107 108332277 365817689 1097453067 8413806847 25241420541