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163231132361 = 1117385775687
BaseRepresentation
bin1001100000000101010…
…1010110101011001001
3120121022212011200022212
42120001111112223021
510133244132213421
6202553133354505
714536006506113
oct2300125265311
9517285150285
10163231132361
116325379a790
1227775938a35
13125147b896b
147c86ac43b3
1543a5489e5b
hex2601556ac9

163231132361 has 8 divisors (see below), whose sum is σ = 179099636544. Its totient is φ = 147534179920.

The previous prime is 163231132349. The next prime is 163231132403.

163231132361 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163231132361 - 210 = 163231131337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163231132301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42885941 + ... + 42889746.

It is an arithmetic number, because the mean of its divisors is an integer number (22387454568).

Almost surely, 2163231132361 is an apocalyptic number.

163231132361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

163231132361 is a deficient number, since it is larger than the sum of its proper divisors (15868504183).

163231132361 is a wasteful number, since it uses less digits than its factorization.

163231132361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85775871.

The product of its digits is 11664, while the sum is 32.

It can be divided in two parts, 163231 and 132361, that added together give a palindrome (295592).

The spelling of 163231132361 in words is "one hundred sixty-three billion, two hundred thirty-one million, one hundred thirty-two thousand, three hundred sixty-one".

Divisors: 1 11 173 1903 85775687 943532557 14839193851 163231132361