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122205425013 = 3271939768651
BaseRepresentation
bin111000111010000000…
…0101100110101110101
3102200102201001210212100
41301310000230311311
54000234042100023
6132050154212313
711554235654640
oct1616400546565
9380381053770
10122205425013
114791085a621
121b826424099
13b6a7098099
145cb41d6a57
1532a38e4c43
hex1c7402cd75

122205425013 has 12 divisors (see below), whose sum is σ = 201735939808. Its totient is φ = 69831671400.

The previous prime is 122205424967. The next prime is 122205425051. The reversal of 122205425013 is 310524502221.

122205425013 is a `hidden beast` number, since 1 + 2 + 220 + 5 + 425 + 0 + 13 = 666.

It is not a de Polignac number, because 122205425013 - 217 = 122205293941 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 (122205425113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 969884263 + ... + 969884388.

Almost surely, 2122205425013 is an apocalyptic number.

It is an amenable number.

122205425013 is a deficient number, since it is larger than the sum of its proper divisors (79530514795).

122205425013 is a wasteful number, since it uses less digits than its factorization.

122205425013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939768664 (or 1939768661 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 122205425013 its reverse (310524502221), we get a palindrome (432729927234).

The spelling of 122205425013 in words is "one hundred twenty-two billion, two hundred five million, four hundred twenty-five thousand, thirteen".

Divisors: 1 3 7 9 21 63 1939768651 5819305953 13578380557 17457917859 40735141671 122205425013