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275406394153 = 1125036944923
BaseRepresentation
bin1000000000111111000…
…00000001001100101001
3222022212112201101220111
410000133200001030221
514003013014103103
6330304150454321
725616553503512
oct4003740011451
9868775641814
10275406394153
11a6887803210
12454610643a1
131cc80865207
14d488b45a09
15726d51486d
hex401f801329

275406394153 has 4 divisors (see below), whose sum is σ = 300443339088. Its totient is φ = 250369449220.

The previous prime is 275406394139. The next prime is 275406394171. The reversal of 275406394153 is 351493604572.

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 de Polignac number, because none of the positive numbers 2k-275406394153 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 275406394097 and 275406394106.

It is not an unprimeable number, because it can be changed into a prime (275406394103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12518472451 + ... + 12518472472.

It is an arithmetic number, because the mean of its divisors is an integer number (75110834772).

Almost surely, 2275406394153 is an apocalyptic number.

It is an amenable number.

275406394153 is a deficient number, since it is larger than the sum of its proper divisors (25036944935).

275406394153 is a wasteful number, since it uses less digits than its factorization.

275406394153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25036944934.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 275406394153 in words is "two hundred seventy-five billion, four hundred six million, three hundred ninety-four thousand, one hundred fifty-three".

Divisors: 1 11 25036944923 275406394153