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122394521401 = 491249276011
BaseRepresentation
bin111000111111101001…
…0000010111100111001
3102200220212212220100021
41301333102002330321
54001130444141101
6132121031210441
711562023160235
oct1617722027471
9380825786307
10122394521401
11479a8575529
121b879816a21
13b707305439
145cd137b5c5
1532b52e85a1
hex1c7f482f39

122394521401 has 4 divisors (see below), whose sum is σ = 122643797904. Its totient is φ = 122145244900.

The previous prime is 122394521399. The next prime is 122394521407. The reversal of 122394521401 is 104125493221.

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 not a de Polignac number, because 122394521401 - 21 = 122394521399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122394521407) 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, 124637515 + ... + 124638496.

It is an arithmetic number, because the mean of its divisors is an integer number (30660949476).

Almost surely, 2122394521401 is an apocalyptic number.

It is an amenable number.

122394521401 is a deficient number, since it is larger than the sum of its proper divisors (249276503).

122394521401 is an equidigital number, since it uses as much as digits as its factorization.

122394521401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249276502.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 122394521401 in words is "one hundred twenty-two billion, three hundred ninety-four million, five hundred twenty-one thousand, four hundred one".

Divisors: 1 491 249276011 122394521401