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25275550052553 = 38425183350851
BaseRepresentation
bin1011011111100111011000…
…01011101011000011001001
310022111022121112121122020220
411233303230023223003021
511303103311303140203
6125431232152340253
75216045456415663
oct557635413530311
9108438545548226
1025275550052553
118065334088459
122a026a26a4689
1311146218cb778
146354b3863533
152dc71d4e7653
hex16fcec2eb0c9

25275550052553 has 4 divisors (see below), whose sum is σ = 33700733403408. Its totient is φ = 16850366701700.

The previous prime is 25275550052497. The next prime is 25275550052563. The reversal of 25275550052553 is 35525005557252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25275550052553 is a prime.

It is a super-2 number, since 2×252755500525532 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25275550052496 and 25275550052505.

It is not an unprimeable number, because it can be changed into a prime (25275550052563) 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, 4212591675423 + ... + 4212591675428.

It is an arithmetic number, because the mean of its divisors is an integer number (8425183350852).

Almost surely, 225275550052553 is an apocalyptic number.

It is an amenable number.

25275550052553 is a deficient number, since it is larger than the sum of its proper divisors (8425183350855).

25275550052553 is an equidigital number, since it uses as much as digits as its factorization.

25275550052553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8425183350854.

The product of its (nonzero) digits is 13125000, while the sum is 51.

The spelling of 25275550052553 in words is "twenty-five trillion, two hundred seventy-five billion, five hundred fifty million, fifty-two thousand, five hundred fifty-three".

Divisors: 1 3 8425183350851 25275550052553