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47450087953 = 75076320779
BaseRepresentation
bin101100001100001111…
…101110001000010001
311112110212201012212221
4230030033232020101
51234134210303303
633444232021041
73266600043562
oct541417561021
9145425635787
1047450087953
111913a379424
129242b31781
1346226b6228
142421c0a169
15137aaaa4bd
hexb0c3ee211

47450087953 has 4 divisors (see below), whose sum is σ = 47456416240. Its totient is φ = 47443759668.

The previous prime is 47450087939. The next prime is 47450088001. The reversal of 47450087953 is 35978005474.

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 47450087953 - 221 = 47447990801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47450087953.

It is not an unprimeable number, because it can be changed into a prime (47450087903) 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, 3152883 + ... + 3167896.

It is an arithmetic number, because the mean of its divisors is an integer number (11864104060).

Almost surely, 247450087953 is an apocalyptic number.

It is an amenable number.

47450087953 is a deficient number, since it is larger than the sum of its proper divisors (6328287).

47450087953 is an equidigital number, since it uses as much as digits as its factorization.

47450087953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6328286.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 47450087953 in words is "forty-seven billion, four hundred fifty million, eighty-seven thousand, nine hundred fifty-three".

Divisors: 1 7507 6320779 47450087953