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25240001214 = 235379371073
BaseRepresentation
bin10111100000011010…
…111101101010111110
32102011000111220120210
4113200122331222332
5403142420014324
615332312453250
71552320320241
oct274032755276
972130456523
1025240001214
11a78236053a
124a849aa226
1324c3187a7c
1413161bd258
159caccdd29
hex5e06bdabe

25240001214 has 16 divisors (see below), whose sum is σ = 51432455952. Its totient is φ = 8254591488.

The previous prime is 25240001183. The next prime is 25240001219. The reversal of 25240001214 is 41210004252.

It is a super-2 number, since 2×252400012142 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25240001219) 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, 39685219 + ... + 39685854.

It is an arithmetic number, because the mean of its divisors is an integer number (3214528497).

Almost surely, 225240001214 is an apocalyptic number.

25240001214 is an abundant number, since it is smaller than the sum of its proper divisors (26192454738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25240001214 is a wasteful number, since it uses less digits than its factorization.

25240001214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79371131.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 25240001214 its reverse (41210004252), we get a palindrome (66450005466).

The spelling of 25240001214 in words is "twenty-five billion, two hundred forty million, one thousand, two hundred fourteen".

Divisors: 1 2 3 6 53 106 159 318 79371073 158742146 238113219 476226438 4206666869 8413333738 12620000607 25240001214