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25320880043 = 193426738891
BaseRepresentation
bin10111100101001111…
…011111011110101011
32102100122200222110222
4113211033133132223
5403324121130133
615344322200255
71554321633464
oct274517373653
972318628428
1025320880043
11a813a81a48
124aa7ab308b
132506b65174
141322c33d6b
159d2e57e98
hex5e53df7ab

25320880043 has 8 divisors (see below), whose sum is σ = 26655021120. Its totient is φ = 23986885320.

The previous prime is 25320880031. The next prime is 25320880049. The reversal of 25320880043 is 34008802352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25320880043 - 216 = 25320814507 is a prime.

It is a super-2 number, since 2×253208800432 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25320879985 and 25320880012.

It is not an unprimeable number, because it can be changed into a prime (25320880049) 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, 631628 + ... + 670518.

It is an arithmetic number, because the mean of its divisors is an integer number (3331877640).

Almost surely, 225320880043 is an apocalyptic number.

25320880043 is a deficient number, since it is larger than the sum of its proper divisors (1334141077).

25320880043 is a wasteful number, since it uses less digits than its factorization.

25320880043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73177.

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 25320880043 in words is "twenty-five billion, three hundred twenty million, eight hundred eighty thousand, forty-three".

Divisors: 1 19 34267 38891 651073 738929 1332677897 25320880043