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1361460243 = 3111315121017
BaseRepresentation
bin101000100100110…
…0011110000010011
310111212211100100110
41101021203300103
510242013211433
6343032452403
745511135563
oct12111436023
93455740313
101361460243
11639566260
1231bb4a103
131890a67a0
14ccb5cda3
157e7d0963
hex51263c13

1361460243 has 32 divisors (see below), whose sum is σ = 2146862592. Its totient is φ = 756576000.

The previous prime is 1361460209. The next prime is 1361460253. The reversal of 1361460243 is 3420641631.

It is not a de Polignac number, because 1361460243 - 26 = 1361460179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1361460243.

It is not an unprimeable number, because it can be changed into a prime (1361460253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54271 + ... + 75287.

It is an arithmetic number, because the mean of its divisors is an integer number (67089456).

Almost surely, 21361460243 is an apocalyptic number.

1361460243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1361460243 is a deficient number, since it is larger than the sum of its proper divisors (785402349).

1361460243 is a wasteful number, since it uses less digits than its factorization.

1361460243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21195.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1361460243 is about 36897.9707165584. The cubic root of 1361460243 is about 1108.3280412408.

The spelling of 1361460243 in words is "one billion, three hundred sixty-one million, four hundred sixty thousand, two hundred forty-three".

Divisors: 1 3 11 13 33 39 143 151 429 453 1661 1963 4983 5889 21017 21593 63051 64779 231187 273221 693561 819663 3005431 3173567 9016293 9520701 34909237 41256371 104727711 123769113 453820081 1361460243