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1481427862169 = 10931355377733
BaseRepresentation
bin10101100011101011111…
…110110100001010011001
312020121211020212210010212
4111203223332310022121
5143232431013042134
63052320352220505
7212013110030063
oct25435376641231
95217736783125
101481427862169
115212a7453352
121bb13b23a735
13a990c7c4338
14519b6c6a733
1528806b78bce
hex158ebfb4299

1481427862169 has 4 divisors (see below), whose sum is σ = 1482783240996. Its totient is φ = 1480072483344.

The previous prime is 1481427862099. The next prime is 1481427862171. The reversal of 1481427862169 is 9612687241841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1347096816025 + 134331046144 = 1160645^2 + 366512^2 .

It is a cyclic number.

It is not a de Polignac number, because 1481427862169 - 220 = 1481426813593 is a prime.

It is a super-2 number, since 2×14814278621692 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1481427862069) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 677687774 + ... + 677689959.

It is an arithmetic number, because the mean of its divisors is an integer number (370695810249).

Almost surely, 21481427862169 is an apocalyptic number.

It is an amenable number.

1481427862169 is a deficient number, since it is larger than the sum of its proper divisors (1355378827).

1481427862169 is a wasteful number, since it uses less digits than its factorization.

1481427862169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355378826.

The product of its digits is 9289728, while the sum is 59.

The spelling of 1481427862169 in words is "one trillion, four hundred eighty-one billion, four hundred twenty-seven million, eight hundred sixty-two thousand, one hundred sixty-nine".

Divisors: 1 1093 1355377733 1481427862169