Search a number
-
+
25293922141 = 171487877773
BaseRepresentation
bin10111100011101000…
…101001111101011101
32102021202222101012011
4113203220221331131
5403300221002031
615341520311221
71553543535145
oct274350517535
972252871164
1025293922141
11a7aa83a094
124a9aa72511
1325013b6a47
14131d417925
159d08d06b1
hex5e3a29f5d

25293922141 has 4 divisors (see below), whose sum is σ = 26781799932. Its totient is φ = 23806044352.

The previous prime is 25293922139. The next prime is 25293922151. The reversal of 25293922141 is 14122939252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23794296516 + 1499625625 = 154254^2 + 38725^2 .

It is a cyclic number.

It is not a de Polignac number, because 25293922141 - 21 = 25293922139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25293922094 and 25293922103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25293922151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743938870 + ... + 743938903.

It is an arithmetic number, because the mean of its divisors is an integer number (6695449983).

Almost surely, 225293922141 is an apocalyptic number.

It is an amenable number.

25293922141 is a deficient number, since it is larger than the sum of its proper divisors (1487877791).

25293922141 is a wasteful number, since it uses less digits than its factorization.

25293922141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487877790.

The product of its digits is 77760, while the sum is 40.

The spelling of 25293922141 in words is "twenty-five billion, two hundred ninety-three million, nine hundred twenty-two thousand, one hundred forty-one".

Divisors: 1 17 1487877773 25293922141