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120660072454381 is a prime number
BaseRepresentation
bin11011011011110101011100…
…110000011101100011101101
3120211012222201220112221220111
4123123311130300131203231
5111303343312022020011
61104342245544220021
734262255035365145
oct3333653460354355
9524188656487814
10120660072454381
113549a716331919
121164889216a611
135243271832075
1421b1d9b667925
15de39a3289121
hex6dbd5cc1d8ed

120660072454381 has 2 divisors, whose sum is σ = 120660072454382. Its totient is φ = 120660072454380.

The previous prime is 120660072454351. The next prime is 120660072454393. The reversal of 120660072454381 is 183454270066021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109684964817481 + 10975107636900 = 10473059^2 + 3312870^2 .

It is a cyclic number.

It is not a de Polignac number, because 120660072454381 - 211 = 120660072452333 is a prime.

It is a super-2 number, since 2×1206600724543812 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120660072454351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60330036227190 + 60330036227191.

It is an arithmetic number, because the mean of its divisors is an integer number (60330036227191).

Almost surely, 2120660072454381 is an apocalyptic number.

It is an amenable number.

120660072454381 is a deficient number, since it is larger than the sum of its proper divisors (1).

120660072454381 is an equidigital number, since it uses as much as digits as its factorization.

120660072454381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 120660072454381 in words is "one hundred twenty trillion, six hundred sixty billion, seventy-two million, four hundred fifty-four thousand, three hundred eighty-one".