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25275280530005 = 5112319980458917
BaseRepresentation
bin1011011111100110111000…
…00111100001101001010101
310022111021220202110110211022
411233303130013201221111
511303102233303430010
6125431145323450525
75216036004463652
oct557633407415125
9108437822413738
1025275280530005
118065205a30150
122a02628386a45
1311145aab1207c
14635489b44c29
152dc704a08d55
hex16fcdc1e1a55

25275280530005 has 16 divisors (see below), whose sum is σ = 34526233010304. Its totient is φ = 17582803846080.

The previous prime is 25275280529981. The next prime is 25275280530187. The reversal of 25275280530005 is 50003508257252.

It is not a de Polignac number, because 25275280530005 - 226 = 25275213421141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9990228194 + ... + 9990230723.

It is an arithmetic number, because the mean of its divisors is an integer number (2157889563144).

Almost surely, 225275280530005 is an apocalyptic number.

It is an amenable number.

25275280530005 is a deficient number, since it is larger than the sum of its proper divisors (9250952480299).

25275280530005 is a wasteful number, since it uses less digits than its factorization.

25275280530005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19980458956.

The product of its (nonzero) digits is 840000, while the sum is 44.

Adding to 25275280530005 its reverse (50003508257252), we get a palindrome (75278788787257).

The spelling of 25275280530005 in words is "twenty-five trillion, two hundred seventy-five billion, two hundred eighty million, five hundred thirty thousand, five".

Divisors: 1 5 11 23 55 115 253 1265 19980458917 99902294585 219785048087 459550555091 1098925240435 2297752775455 5055056106001 25275280530005