Search a number
-
+
231120130020133 = 17912241105479447
BaseRepresentation
bin110100100011001111011001…
…010000000001001100100101
31010022022212110020120120010111
4310203033121100001030211
5220243133011241121013
62135315042202253021
766452610164051644
oct6443173120011445
91108285406516114
10231120130020133
116770755111a472
1221b08767ab7171
139bc66c4aa59c3
1441103b9b2735b
151babe71bb973d
hexd233d9401325

231120130020133 has 8 divisors (see below), whose sum is σ = 232430292434880. Its totient is φ = 229810178589120.

The previous prime is 231120130020077. The next prime is 231120130020167. The reversal of 231120130020133 is 331020031021132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-231120130020133 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 (231120130020193) 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, 50548585 + ... + 54930862.

It is an arithmetic number, because the mean of its divisors is an integer number (29053786554360).

Almost surely, 2231120130020133 is an apocalyptic number.

It is an amenable number.

231120130020133 is a deficient number, since it is larger than the sum of its proper divisors (1310162414747).

231120130020133 is a wasteful number, since it uses less digits than its factorization.

231120130020133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105491867.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 231120130020133 its reverse (331020031021132), we get a palindrome (562140161041265).

The spelling of 231120130020133 in words is "two hundred thirty-one trillion, one hundred twenty billion, one hundred thirty million, twenty thousand, one hundred thirty-three".

Divisors: 1 179 12241 2191139 105479447 18880821013 1291173910727 231120130020133