Search a number
-
+
104212123131 = 3214071622711
BaseRepresentation
bin110000100001110000…
…1101100110111111011
3100221222201111100221010
41201003201230313323
53201411300420011
6115512511245003
710346321300604
oct1410341546773
9327881440833
10104212123131
11402180325a6
1218244519763
139a9a3714ac
145088630dab
152a9de111a6
hex184386cdfb

104212123131 has 8 divisors (see below), whose sum is σ = 138956073984. Its totient is φ = 69471460520.

The previous prime is 104212123129. The next prime is 104212123133. The reversal of 104212123131 is 131321212401.

It is an interprime number because it is at equal distance from previous prime (104212123129) and next prime (104212123133).

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 104212123131 - 21 = 104212123129 is a prime.

It is a super-2 number, since 2×1042121231312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104212123098 and 104212123107.

It is not an unprimeable number, because it can be changed into a prime (104212123133) 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, 747135 + ... + 875576.

It is an arithmetic number, because the mean of its divisors is an integer number (17369509248).

Almost surely, 2104212123131 is an apocalyptic number.

104212123131 is a deficient number, since it is larger than the sum of its proper divisors (34743950853).

104212123131 is a wasteful number, since it uses less digits than its factorization.

104212123131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644121.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 104212123131 its reverse (131321212401), we get a palindrome (235533335532).

The spelling of 104212123131 in words is "one hundred four billion, two hundred twelve million, one hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 3 21407 64221 1622711 4868133 34737374377 104212123131