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1361816942 = 26728335911
BaseRepresentation
bin101000100101011…
…1010110101101110
310111220111110122112
41101022322311232
510242111120232
6343044244022
745514152533
oct12112726556
93456443575
101361816942
1163978a252
123200a0612
1318919cc55
14ccc12d8a
157e8514b2
hex512bad6e

1361816942 has 16 divisors (see below), whose sum is σ = 2080597632. Its totient is φ = 668356920.

The previous prime is 1361816941. The next prime is 1361816957. The reversal of 1361816942 is 2496181631.

It is a self number, because there is not a number n which added to its sum of digits gives 1361816942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361816941) 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 7 ways as a sum of consecutive naturals, for example, 19967 + ... + 55877.

It is an arithmetic number, because the mean of its divisors is an integer number (130037352).

Almost surely, 21361816942 is an apocalyptic number.

1361816942 is a deficient number, since it is larger than the sum of its proper divisors (718780690).

1361816942 is a wasteful number, since it uses less digits than its factorization.

1361816942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36263.

The product of its digits is 62208, while the sum is 41.

The square root of 1361816942 is about 36902.8039856052. The cubic root of 1361816942 is about 1108.4248257987.

The spelling of 1361816942 in words is "one billion, three hundred sixty-one million, eight hundred sixteen thousand, nine hundred forty-two".

Divisors: 1 2 67 134 283 566 18961 35911 37922 71822 2406037 4812074 10162813 20325626 680908471 1361816942