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2103023013 = 372131100483
BaseRepresentation
bin111110101011001…
…1001010110100101
312102120012122020020
41331112121112211
513301333214023
6544403025353
7103054254300
oct17526312645
95376178206
102103023013
1198a113353
124a836b259
13276908b20
1415d435b37
15c4962de3
hex7d5995a5

2103023013 has 24 divisors (see below), whose sum is σ = 3512744928. Its totient is φ = 1109285856.

The previous prime is 2103023011. The next prime is 2103023017. The reversal of 2103023013 is 3103203012.

It is not a de Polignac number, because 2103023013 - 21 = 2103023011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2103022983 and 2103023001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103023011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 548331 + ... + 552152.

It is an arithmetic number, because the mean of its divisors is an integer number (146364372).

Almost surely, 22103023013 is an apocalyptic number.

It is an amenable number.

2103023013 is a deficient number, since it is larger than the sum of its proper divisors (1409721915).

2103023013 is a wasteful number, since it uses less digits than its factorization.

2103023013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100513 (or 1100506 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2103023013 is about 45858.7288637616. The cubic root of 2103023013 is about 1281.1933477453.

Adding to 2103023013 its reverse (3103203012), we get a palindrome (5206226025).

The spelling of 2103023013 in words is "two billion, one hundred three million, twenty-three thousand, thirteen".

Divisors: 1 3 7 13 21 39 49 91 147 273 637 1911 1100483 3301449 7703381 14306279 23110143 42918837 53923667 100143953 161771001 300431859 701007671 2103023013