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122421413244 = 223131941302771
BaseRepresentation
bin111001000000011100…
…0101000010101111100
3102200222202111011000110
41302000320220111330
54001204340210434
6132123431430020
711562500562144
oct1620070502574
9380882434013
10122421413244
1147a11772799
121b886825310
13b70ca5c780
145cd4b7b924
1532b785b4e9
hex1c80e2857c

122421413244 has 48 divisors (see below), whose sum is σ = 323813732480. Its totient is φ = 35685593280.

The previous prime is 122421413237. The next prime is 122421413249. The reversal of 122421413244 is 442314124221.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122421413249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20648422 + ... + 20654349.

Almost surely, 2122421413244 is an apocalyptic number.

It is an amenable number.

122421413244 is an abundant number, since it is smaller than the sum of its proper divisors (201392319236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122421413244 is a wasteful number, since it uses less digits than its factorization.

122421413244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41302810 (or 41302808 counting only the distinct ones).

The product of its digits is 12288, while the sum is 30.

Adding to 122421413244 its reverse (442314124221), we get a palindrome (564735537465).

The spelling of 122421413244 in words is "one hundred twenty-two billion, four hundred twenty-one million, four hundred thirteen thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 13 19 26 38 39 52 57 76 78 114 156 228 247 494 741 988 1482 2964 41302771 82605542 123908313 165211084 247816626 495633252 536936023 784752649 1073872046 1569505298 1610808069 2147744092 2354257947 3139010596 3221616138 4708515894 6443232276 9417031788 10201784437 20403568874 30605353311 40807137748 61210706622 122421413244