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2104252101 = 3473711203
BaseRepresentation
bin111110101101100…
…0101011011000101
312102122112002020000
41331123011123011
513302142031401
6544445231513
7103100563530
oct17533053305
95378462200
102104252101
1198a882826
124a8862599
13276c493b3
1415d675a17
15c4b07186
hex7d6c56c5

2104252101 has 20 divisors (see below), whose sum is σ = 3592445472. Its totient is φ = 1202429448.

The previous prime is 2104252043. The next prime is 2104252103. The reversal of 2104252101 is 1012524012.

It is not a de Polignac number, because 2104252101 - 211 = 2104250053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104252103) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1855035 + ... + 1856168.

Almost surely, 22104252101 is an apocalyptic number.

2104252101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2104252101 is a deficient number, since it is larger than the sum of its proper divisors (1488193371).

2104252101 is an equidigital number, since it uses as much as digits as its factorization.

2104252101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711222 (or 3711213 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2104252101 is about 45872.1277138962. The cubic root of 2104252101 is about 1281.4428921214.

Adding to 2104252101 its reverse (1012524012), we get a palindrome (3116776113).

The spelling of 2104252101 in words is "two billion, one hundred four million, two hundred fifty-two thousand, one hundred one".

Divisors: 1 3 7 9 21 27 63 81 189 567 3711203 11133609 25978421 33400827 77935263 100202481 233805789 300607443 701417367 2104252101