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2103120201 = 371317453161
BaseRepresentation
bin111110101011011…
…0001000101001001
312102120101120112210
41331112301011021
513301344321301
6544405055333
7103055140530
oct17526610511
95376346483
102103120201
1198a17a376
124a83b7549
13276941130
1415d45d317
15c4981ad6
hex7d5b1149

2103120201 has 32 divisors (see below), whose sum is σ = 3654298368. Its totient is φ = 1044080640.

The previous prime is 2103120193. The next prime is 2103120221. The reversal of 2103120201 is 1020213012.

It is not a de Polignac number, because 2103120201 - 23 = 2103120193 is a prime.

It is a super-2 number, since 2×21031202012 = 8846229159708560802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2103120221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221940 + ... + 231221.

It is an arithmetic number, because the mean of its divisors is an integer number (114196824).

Almost surely, 22103120201 is an apocalyptic number.

2103120201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2103120201 is a deficient number, since it is larger than the sum of its proper divisors (1551178167).

2103120201 is a wasteful number, since it uses less digits than its factorization.

2103120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453201.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2103120201 is about 45859.7884971137. The cubic root of 2103120201 is about 1281.2130835733.

Adding to 2103120201 its reverse (1020213012), we get a palindrome (3123333213).

The spelling of 2103120201 in words is "two billion, one hundred three million, one hundred twenty thousand, two hundred one".

Divisors: 1 3 7 13 17 21 39 51 91 119 221 273 357 663 1547 4641 453161 1359483 3172127 5891093 7703737 9516381 17673279 23111211 41237651 53926159 100148581 123712953 161778477 300445743 701040067 2103120201