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122198982473 is a prime number
BaseRepresentation
bin111000111001110100…
…0000111111101001001
3102200102020221111100202
41301303220013331021
54000230414414343
6132045404141545
711554130133011
oct1616350077511
9380366844322
10122198982473
114790815a207
121b8242378b5
13b6a5950829
145cb33dac41
1532a3070db8
hex1c73a07f49

122198982473 has 2 divisors, whose sum is σ = 122198982474. Its totient is φ = 122198982472.

The previous prime is 122198982461. The next prime is 122198982481. The reversal of 122198982473 is 374289891221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119527849984 + 2671132489 = 345728^2 + 51683^2 .

It is a cyclic number.

It is not a de Polignac number, because 122198982473 - 24 = 122198982457 is a prime.

It is a super-2 number, since 2×1221989824732 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122198982413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61099491236 + 61099491237.

It is an arithmetic number, because the mean of its divisors is an integer number (61099491237).

Almost surely, 2122198982473 is an apocalyptic number.

It is an amenable number.

122198982473 is a deficient number, since it is larger than the sum of its proper divisors (1).

122198982473 is an equidigital number, since it uses as much as digits as its factorization.

122198982473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 56.

The spelling of 122198982473 in words is "one hundred twenty-two billion, one hundred ninety-eight million, nine hundred eighty-two thousand, four hundred seventy-three".