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122638247341 = 1093569319709
BaseRepresentation
bin111001000110111001…
…1110010010110101101
3102201112212111110110221
41302031303302112231
54002130342403331
6132201135131341
711601042621421
oct1621563622655
9381485443427
10122638247341
1148013103425
121b927373b51
13b74595c17c
145d158a2b81
1532cb8dd711
hex1c8dcf25ad

122638247341 has 8 divisors (see below), whose sum is σ = 122778241560. Its totient is φ = 122498306112.

The previous prime is 122638247293. The next prime is 122638247351. The reversal of 122638247341 is 143742836221.

It can be written as a sum of positive squares in 4 ways, for example, as 29936266441 + 92701980900 = 173021^2 + 304470^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122638247341 - 213 = 122638239149 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 (122638247351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6212595 + ... + 6232303.

It is an arithmetic number, because the mean of its divisors is an integer number (15347280195).

Almost surely, 2122638247341 is an apocalyptic number.

It is an amenable number.

122638247341 is a deficient number, since it is larger than the sum of its proper divisors (139994219).

122638247341 is a wasteful number, since it uses less digits than its factorization.

122638247341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26495.

The product of its digits is 387072, while the sum is 43.

The spelling of 122638247341 in words is "one hundred twenty-two billion, six hundred thirty-eight million, two hundred forty-seven thousand, three hundred forty-one".

Divisors: 1 1093 5693 19709 6222449 21541937 112203337 122638247341