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47732115091 = 149113320107
BaseRepresentation
bin101100011101000011…
…100100011010010011
311120012112101200101111
4230131003210122103
51240223410140331
633532224514151
73306563166253
oct543503443223
9146175350344
1047732115091
1119274597601
12930147b957
134668c604ab
14244b461963
151395718db1
hexb1d0e4693

47732115091 has 4 divisors (see below), whose sum is σ = 47732584312. Its totient is φ = 47731645872.

The previous prime is 47732115059. The next prime is 47732115133. The reversal of 47732115091 is 19051123774.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 47732115091 - 25 = 47732115059 is a prime.

It is a super-2 number, since 2×477321150912 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47732115391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10941 + ... + 309166.

It is an arithmetic number, because the mean of its divisors is an integer number (11933146078).

Almost surely, 247732115091 is an apocalyptic number.

47732115091 is a deficient number, since it is larger than the sum of its proper divisors (469221).

47732115091 is a wasteful number, since it uses less digits than its factorization.

47732115091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469220.

The product of its (nonzero) digits is 52920, while the sum is 40.

The spelling of 47732115091 in words is "forty-seven billion, seven hundred thirty-two million, one hundred fifteen thousand, ninety-one".

Divisors: 1 149113 320107 47732115091