Search a number
-
+
11031806315040 = 25357311031028273
BaseRepresentation
bin1010000010001000101011…
…1001011000101000100000
31110001122000112211220002120
42200202022321120220200
52421221114404040130
635243535235144240
72216010305330640
oct240421271305040
943048015756076
1011031806315040
113573621080195
1212a2055745080
136203aaaaa704
142a1d2985c520
15141e68b87910
hexa088ae58a20

11031806315040 has 384 divisors, whose sum is σ = 41393671667712. Its totient is φ = 2416521461760.

The previous prime is 11031806315003. The next prime is 11031806315099. The reversal of 11031806315040 is 4051360813011.

It is a junction number, because it is equal to n+sod(n) for n = 11031806314992 and 11031806315010.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10214344 + ... + 11242616.

It is an arithmetic number, because the mean of its divisors is an integer number (107796019968).

Almost surely, 211031806315040 is an apocalyptic number.

11031806315040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11031806315040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20696835833856).

11031806315040 is an abundant number, since it is smaller than the sum of its proper divisors (30361865352672).

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

11031806315040 is a wasteful number, since it uses less digits than its factorization.

11031806315040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028432 (or 1028424 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 11031806315040 in words is "eleven trillion, thirty-one billion, eight hundred six million, three hundred fifteen thousand, forty".