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122213441145 = 3519342215351
BaseRepresentation
bin111000111010001111…
…1010001111001111001
3102200110021011001221010
41301310133101321321
54000243120104040
6132051042104133
711554364052405
oct1616437217171
9380407131833
10122213441145
1147915335224
121b82904b049
13b6a8943963
145cb52c2105
1532a4479e80
hex1c747d1e79

122213441145 has 16 divisors (see below), whose sum is σ = 196554678912. Its totient is φ = 64842777600.

The previous prime is 122213441131. The next prime is 122213441209. The reversal of 122213441145 is 541144312221.

It is not a de Polignac number, because 122213441145 - 210 = 122213440121 is a prime.

It is a super-2 number, since 2×1222134411452 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21104781 + ... + 21110570.

It is an arithmetic number, because the mean of its divisors is an integer number (12284667432).

Almost surely, 2122213441145 is an apocalyptic number.

122213441145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122213441145 is a deficient number, since it is larger than the sum of its proper divisors (74341237767).

122213441145 is a wasteful number, since it uses less digits than its factorization.

122213441145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42215552.

The product of its digits is 7680, while the sum is 30.

Adding to 122213441145 its reverse (541144312221), we get a palindrome (663357753366).

The spelling of 122213441145 in words is "one hundred twenty-two billion, two hundred thirteen million, four hundred forty-one thousand, one hundred forty-five".

Divisors: 1 3 5 15 193 579 965 2895 42215351 126646053 211076755 633230265 8147562743 24442688229 40737813715 122213441145