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122713576243456 = 2811211325572
BaseRepresentation
bin11011111001101101111011…
…000111110000000100000000
3121002111022012010012220112011
4123321231323013300010000
5112041014401004242311
61112553501053142304
734563522546526402
oct3371557307600400
9532438163186464
10122713576243456
1136111598720300
121191a86848a994
135361ac09cb313
142243523d10b72
15e2c0dd516321
hex6f9b7b1f0100

122713576243456 has 243 divisors, whose sum is σ = 272132454824503. Its totient is φ = 55186024284160.

The previous prime is 122713576243441. The next prime is 122713576243463. The reversal of 122713576243456 is 654342675317221.

The square root of 122713576243456 is 11077616.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 101026299801856 + 21687276441600 = 10051184^2 + 4656960^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122713576243456.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 220311626730 + ... + 220311627286.

Almost surely, 2122713576243456 is an apocalyptic number.

122713576243456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

122713576243456 is the 11077616-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122713576243456

122713576243456 is an abundant number, since it is smaller than the sum of its proper divisors (149418878581047).

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

122713576243456 is an frugal number, since it uses more digits than its factorization.

122713576243456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378 (or 683 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 58.

The spelling of 122713576243456 in words is "one hundred twenty-two trillion, seven hundred thirteen billion, five hundred seventy-six million, two hundred forty-three thousand, four hundred fifty-six".