Search a number
-
+
1002220231123 = 19499105708283
BaseRepresentation
bin11101001010110001111…
…10110001100111010011
310112210220110011212000101
432211120332301213103
5112410021334343443
62044225201433231
7132256644256036
oct16453076614723
93483813155011
101002220231123
11357048213451
121422a163b817
1373680261877
143671726d01d
151b10b62c84d
hexe958fb19d3

1002220231123 has 8 divisors (see below), whose sum is σ = 1057082840000. Its totient is φ = 947569039848.

The previous prime is 1002220231109. The next prime is 1002220231151. The reversal of 1002220231123 is 3211320222001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002220231123 - 29 = 1002220230611 is a prime.

It is a super-2 number, since 2×10022202311232 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002220231123.

It is not an unprimeable number, because it can be changed into a prime (1002220231153) by changing a digit.

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, 52844661 + ... + 52863622.

It is an arithmetic number, because the mean of its divisors is an integer number (132135355000).

Almost surely, 21002220231123 is an apocalyptic number.

1002220231123 is a deficient number, since it is larger than the sum of its proper divisors (54862608877).

1002220231123 is a wasteful number, since it uses less digits than its factorization.

1002220231123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105708801.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1002220231123 its reverse (3211320222001), we get a palindrome (4213540453124).

The spelling of 1002220231123 in words is "one trillion, two billion, two hundred twenty million, two hundred thirty-one thousand, one hundred twenty-three".

Divisors: 1 19 499 9481 105708283 2008457377 52748433217 1002220231123