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122000047889 = 1141991068311
BaseRepresentation
bin111000110011111000…
…1001111111100010001
3102122220101121120102012
41301213301033330101
53444324003013024
6132013540232305
711546163203546
oct1614761177421
9378811546365
10122000047889
1147815934765
121b78969b695
13b67367a465
145c94c14bcd
15329087750e
hex1c67c4ff11

122000047889 has 4 divisors (see below), whose sum is σ = 122001230400. Its totient is φ = 121998865380.

The previous prime is 122000047849. The next prime is 122000047913. The reversal of 122000047889 is 988740000221.

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 122000047889 - 212 = 122000043793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122000047849) 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, 419957 + ... + 648354.

It is an arithmetic number, because the mean of its divisors is an integer number (30500307600).

Almost surely, 2122000047889 is an apocalyptic number.

It is an amenable number.

122000047889 is a deficient number, since it is larger than the sum of its proper divisors (1182511).

122000047889 is a wasteful number, since it uses less digits than its factorization.

122000047889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182510.

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 122000047889 in words is "one hundred twenty-two billion, forty-seven thousand, eight hundred eighty-nine".

Divisors: 1 114199 1068311 122000047889