Search a number
-
+
1100030113021 = 71277994112379
BaseRepresentation
bin10000000000011110111…
…001110111010011111101
310220011100222201200000211
4100000132321313103331
5121010330202104041
62201202530552421
7142321525453420
oct20003671672375
93804328650024
101100030113021
1139457a359394
12159239a38711
137c96a0bc828
143b3554a59b7
151d93344d481
hex1001ee774fd

1100030113021 has 16 divisors (see below), whose sum is σ = 1258389959040. Its totient is φ = 941973721920.

The previous prime is 1100030113009. The next prime is 1100030113051. The reversal of 1100030113021 is 1203110300011.

It is not a de Polignac number, because 1100030113021 - 231 = 1097882629373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100030112992 and 1100030113010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100030113051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88856410 + ... + 88868788.

It is an arithmetic number, because the mean of its divisors is an integer number (78649372440).

Almost surely, 21100030113021 is an apocalyptic number.

It is an amenable number.

1100030113021 is a deficient number, since it is larger than the sum of its proper divisors (158359846019).

1100030113021 is a wasteful number, since it uses less digits than its factorization.

1100030113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23604.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 1100030113021 its reverse (1203110300011), we get a palindrome (2303140413032).

The spelling of 1100030113021 in words is "one trillion, one hundred billion, thirty million, one hundred thirteen thousand, twenty-one".

Divisors: 1 7 1277 8939 9941 12379 69587 86653 12694657 15807983 88862599 110655881 123059639 861417473 157147159003 1100030113021