Search a number
-
+
103406263621 = 1031317663697
BaseRepresentation
bin110000001001101111…
…1100101110101000101
3100212220120010110111121
41200103133211311011
53143234000413441
6115300523033541
710320334511143
oct1402337456505
9325816113447
10103406263621
113a94415a401
121805a66b8b1
13999c41954b
14500d5bc593
152a532ccdd1
hex18137e5d45

103406263621 has 8 divisors (see below), whose sum is σ = 105207246144. Its totient is φ = 101620608960.

The previous prime is 103406263619. The next prime is 103406263663. The reversal of 103406263621 is 126362604301.

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 103406263621 - 21 = 103406263619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103406263601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3818356 + ... + 3845341.

It is an arithmetic number, because the mean of its divisors is an integer number (13150905768).

Almost surely, 2103406263621 is an apocalyptic number.

It is an amenable number.

103406263621 is a deficient number, since it is larger than the sum of its proper divisors (1800982523).

103406263621 is a wasteful number, since it uses less digits than its factorization.

103406263621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7663931.

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 103406263621 its reverse (126362604301), we get a palindrome (229768867922).

The spelling of 103406263621 in words is "one hundred three billion, four hundred six million, two hundred sixty-three thousand, six hundred twenty-one".

Divisors: 1 103 131 13493 7663697 789360791 1003944307 103406263621