Search a number
-
+
1031440001022 = 232286120028739
BaseRepresentation
bin11110000001001101001…
…11010110011111111110
310122121022211022221220100
433000212213112133332
5113344342120013042
62105500442501530
7134343021231414
oct17004647263776
93577284287810
101031440001022
11368481a9a012
12147a972048a6
1376358aa6542
1437cc9c172b4
151bc6b9d724c
hexf0269d67fe

1031440001022 has 24 divisors (see below), whose sum is σ = 2235567901320. Its totient is φ = 343693144080.

The previous prime is 1031440001003. The next prime is 1031440001047. The reversal of 1031440001022 is 2201000441301.

It is a super-2 number, since 2×10314400010222 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1031440000986 and 1031440001004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9962872 + ... + 10065867.

It is an arithmetic number, because the mean of its divisors is an integer number (93148662555).

Almost surely, 21031440001022 is an apocalyptic number.

1031440001022 is an abundant number, since it is smaller than the sum of its proper divisors (1204127900298).

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

1031440001022 is a wasteful number, since it uses less digits than its factorization.

1031440001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20031608 (or 20031605 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1031440001022 its reverse (2201000441301), we get a palindrome (3232440442323).

The spelling of 1031440001022 in words is "one trillion, thirty-one billion, four hundred forty million, one thousand, twenty-two".

Divisors: 1 2 3 6 9 18 2861 5722 8583 17166 25749 51498 20028739 40057478 60086217 120172434 180258651 360517302 57302222279 114604444558 171906666837 343813333674 515720000511 1031440001022