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48903447157 = 54718938667
BaseRepresentation
bin101101100010110111…
…110110001001110101
311200020011110111220121
4231202313312021311
51300123240302112
634244350331541
73350605304455
oct554267661165
9150204414817
1048903447157
11198157a2734
1295897b9bb1
1347c48280a6
14251cc4bd65
151413490407
hexb62df6275

48903447157 has 4 divisors (see below), whose sum is σ = 48912391296. Its totient is φ = 48894503020.

The previous prime is 48903447139. The next prime is 48903447161. The reversal of 48903447157 is 75174430984.

It is a happy number.

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 not a de Polignac number, because 48903447157 - 215 = 48903414389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48903447557) 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, 4463863 + ... + 4474804.

It is an arithmetic number, because the mean of its divisors is an integer number (12228097824).

Almost surely, 248903447157 is an apocalyptic number.

It is an amenable number.

48903447157 is a deficient number, since it is larger than the sum of its proper divisors (8944139).

48903447157 is an equidigital number, since it uses as much as digits as its factorization.

48903447157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8944138.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 48903447157 in words is "forty-eight billion, nine hundred three million, four hundred forty-seven thousand, one hundred fifty-seven".

Divisors: 1 5471 8938667 48903447157