Search a number
-
+
1081410180 = 223518023503
BaseRepresentation
bin100000001110101…
…0000001010000100
32210100212022212220
41000131100022010
54203320111210
6255150212340
735540556234
oct10035201204
92710768786
101081410180
11505478524
122621b40b0
131430723a6
14a389dcc4
1564e12c70
hex40750284

1081410180 has 24 divisors (see below), whose sum is σ = 3027948672. Its totient is φ = 288376032.

The previous prime is 1081410167. The next prime is 1081410181. The reversal of 1081410180 is 810141801.

It is a self number, because there is not a number n which added to its sum of digits gives 1081410180.

It is not an unprimeable number, because it can be changed into a prime (1081410181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9011692 + ... + 9011811.

It is an arithmetic number, because the mean of its divisors is an integer number (126164528).

Almost surely, 21081410180 is an apocalyptic number.

1081410180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1081410180 is an abundant number, since it is smaller than the sum of its proper divisors (1946538492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1081410180 is a wasteful number, since it uses less digits than its factorization.

1081410180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18023515 (or 18023513 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 24.

The square root of 1081410180 is about 32884.8016566924. The cubic root of 1081410180 is about 1026.4319245084.

Adding to 1081410180 its reverse (810141801), we get a palindrome (1891551981).

The spelling of 1081410180 in words is "one billion, eighty-one million, four hundred ten thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 18023503 36047006 54070509 72094012 90117515 108141018 180235030 216282036 270352545 360470060 540705090 1081410180