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122503011401 = 235326217887
BaseRepresentation
bin111001000010110111…
…1111001110001001001
3102201012110000202122102
41302011233321301021
54001341232331101
6132135504403145
711564511262511
oct1620557716111
9381173022572
10122503011401
1147a53835691
121b8aa0164b5
13b72392c3c4
145d0193c841
1532beac886b
hex1c85bf9c49

122503011401 has 4 divisors (see below), whose sum is σ = 127829229312. Its totient is φ = 117176793492.

The previous prime is 122503011329. The next prime is 122503011419. The reversal of 122503011401 is 104110305221.

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-122503011401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122503011481) 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, 2663108921 + ... + 2663108966.

It is an arithmetic number, because the mean of its divisors is an integer number (31957307328).

Almost surely, 2122503011401 is an apocalyptic number.

It is an amenable number.

122503011401 is a deficient number, since it is larger than the sum of its proper divisors (5326217911).

122503011401 is an equidigital number, since it uses as much as digits as its factorization.

122503011401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5326217910.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 122503011401 its reverse (104110305221), we get a palindrome (226613316622).

The spelling of 122503011401 in words is "one hundred twenty-two billion, five hundred three million, eleven thousand, four hundred one".

Divisors: 1 23 5326217887 122503011401