Base | Representation |
---|---|
bin | 111000001011010000… |
… | …1110101101000101001 |
3 | 102112101101220021120211 |
4 | 1300112201311220221 |
5 | 3434031041202411 |
6 | 131230410421121 |
7 | 11500333015120 |
oct | 1602641655051 |
9 | 375341807524 |
10 | 120637053481 |
11 | 471865208aa |
12 | 1b4691317a1 |
13 | b4b71875a9 |
14 | 5ba5bb6ab7 |
15 | 3210d92221 |
hex | 1c16875a29 |
120637053481 has 4 divisors (see below), whose sum is σ = 137870918272. Its totient is φ = 103403188692.
The previous prime is 120637053473. The next prime is 120637053491. The reversal of 120637053481 is 184350736021.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 120637053481 - 23 = 120637053473 is a prime.
It is a super-2 number, since 2×1206370534812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120637053421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8616932385 + ... + 8616932398.
It is an arithmetic number, because the mean of its divisors is an integer number (34467729568).
Almost surely, 2120637053481 is an apocalyptic number.
It is an amenable number.
120637053481 is a deficient number, since it is larger than the sum of its proper divisors (17233864791).
120637053481 is an equidigital number, since it uses as much as digits as its factorization.
120637053481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17233864790.
The product of its (nonzero) digits is 120960, while the sum is 40.
The spelling of 120637053481 in words is "one hundred twenty billion, six hundred thirty-seven million, fifty-three thousand, four hundred eighty-one".
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