Search a number
-
+
25140430354 = 2134621209249
BaseRepresentation
bin10111011010011111…
…001000011000010010
32101220002011012001011
4113122133020120102
5402441422232404
615314354401134
71550001063214
oct273237103022
971802135034
1025140430354
11a731132476
124a575901aa
1324a86646c0
141306ca05b4
159c21b1604
hex5da7c8612

25140430354 has 16 divisors (see below), whose sum is σ = 40620447000. Its totient is φ = 11600709120.

The previous prime is 25140430309. The next prime is 25140430373. The reversal of 25140430354 is 45303404152.

It can be written as a sum of positive squares in 4 ways, for example, as 22896229225 + 2244201129 = 151315^2 + 47373^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15522 + ... + 224770.

Almost surely, 225140430354 is an apocalyptic number.

25140430354 is a deficient number, since it is larger than the sum of its proper divisors (15480016646).

25140430354 is a wasteful number, since it uses less digits than its factorization.

25140430354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213885.

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 25140430354 in words is "twenty-five billion, one hundred forty million, four hundred thirty thousand, three hundred fifty-four".

Divisors: 1 2 13 26 4621 9242 60073 120146 209249 418498 2720237 5440474 966939629 1933879258 12570215177 25140430354