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104151121 = 452323027
BaseRepresentation
bin1100011010100…
…11100001010001
321020222102110221
412031103201101
5203130313441
614200153041
72403161404
oct615234121
9236872427
10104151121
1153877308
122aa68781
13187680a9
14db91d3b
1592248d1
hex6353851

104151121 has 4 divisors (see below), whose sum is σ = 104178672. Its totient is φ = 104123572.

The previous prime is 104151109. The next prime is 104151137. The reversal of 104151121 is 121151401.

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 a de Polignac number, because none of the positive numbers 2k-104151121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104151095 and 104151104.

It is not an unprimeable number, because it can be changed into a prime (104151191) 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, 6991 + ... + 16036.

It is an arithmetic number, because the mean of its divisors is an integer number (26044668).

Almost surely, 2104151121 is an apocalyptic number.

It is an amenable number.

104151121 is a deficient number, since it is larger than the sum of its proper divisors (27551).

104151121 is an equidigital number, since it uses as much as digits as its factorization.

104151121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27550.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 104151121 is about 10205.4456541594. The cubic root of 104151121 is about 470.4946068242.

The spelling of 104151121 in words is "one hundred four million, one hundred fifty-one thousand, one hundred twenty-one".

Divisors: 1 4523 23027 104151121