Search a number
-
+
1078638060842 = 2699077771473
BaseRepresentation
bin11111011001000111101…
…01101010010100101010
310211010011010210211011222
433230203311222110222
5120133022320421332
62143304113022042
7140633441145356
oct17544365522452
93733133724158
101078638060842
113864a2079a21
12155069854922
137a93b1b9ba4
143a2c637a466
151d0d03ac712
hexfb23d6a52a

1078638060842 has 8 divisors (see below), whose sum is σ = 1617961502916. Its totient is φ = 539317559872.

The previous prime is 1078638060827. The next prime is 1078638060847. The reversal of 1078638060842 is 2480608368701.

It can be written as a sum of positive squares in 2 ways, for example, as 1076362675441 + 2275385401 = 1037479^2 + 47701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×10786380608423 (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1078638060847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012418 + ... + 1783890.

Almost surely, 21078638060842 is an apocalyptic number.

1078638060842 is a deficient number, since it is larger than the sum of its proper divisors (539323442074).

1078638060842 is an equidigital number, since it uses as much as digits as its factorization.

1078638060842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470552.

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 1078638060842 in words is "one trillion, seventy-eight billion, six hundred thirty-eight million, sixty thousand, eight hundred forty-two".

Divisors: 1 2 699077 771473 1398154 1542946 539319030421 1078638060842