Search a number
-
+
1011401105140 = 225392312890659
BaseRepresentation
bin11101011011111000011…
…01000001111011110100
310120200121021121120112101
432231330031001323310
5113032322140331030
62052344203431444
7133033314355426
oct16557415017364
93520537546471
101011401105140
1135aa29613a38
12144024225584
13744b43307ba
1436d486c8816
151b4976367ca
hexeb7c341ef4

1011401105140 has 24 divisors (see below), whose sum is σ = 2124483893280. Its totient is φ = 404457285408.

The previous prime is 1011401105081. The next prime is 1011401105159. The reversal of 1011401105140 is 415011041101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6366870 + ... + 6523789.

It is an arithmetic number, because the mean of its divisors is an integer number (88520162220).

Almost surely, 21011401105140 is an apocalyptic number.

1011401105140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011401105140 is an abundant number, since it is smaller than the sum of its proper divisors (1113082788140).

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

1011401105140 is a wasteful number, since it uses less digits than its factorization.

1011401105140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12894591 (or 12894589 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 19.

Adding to 1011401105140 its reverse (415011041101), we get a palindrome (1426412146241).

The spelling of 1011401105140 in words is "one trillion, eleven billion, four hundred one million, one hundred five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 3923 7846 15692 19615 39230 78460 12890659 25781318 51562636 64453295 128906590 257813180 50570055257 101140110514 202280221028 252850276285 505700552570 1011401105140