Search a number
-
+
11455103720 = 235286377593
BaseRepresentation
bin10101010101100011…
…10000001011101000
31002120022210120011202
422222301300023220
5141430001304340
65132402343332
7553603526564
oct125261601350
932508716152
1011455103720
11494911aa75
12227835ab48
1311072c03a8
147a94da6a4
154709d9c15
hex2aac702e8

11455103720 has 16 divisors (see below), whose sum is σ = 25773983460. Its totient is φ = 4582041472.

The previous prime is 11455103711. The next prime is 11455103731. The reversal of 11455103720 is 2730155411.

It can be written as a sum of positive squares in 2 ways, for example, as 11437446916 + 17656804 = 106946^2 + 4202^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143188757 + ... + 143188836.

Almost surely, 211455103720 is an apocalyptic number.

11455103720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11455103720 is an abundant number, since it is smaller than the sum of its proper divisors (14318879740).

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

11455103720 is a wasteful number, since it uses less digits than its factorization.

11455103720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286377604 (or 286377600 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The spelling of 11455103720 in words is "eleven billion, four hundred fifty-five million, one hundred three thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 286377593 572755186 1145510372 1431887965 2291020744 2863775930 5727551860 11455103720