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2104042101 = 37132775503
BaseRepresentation
bin111110101101001…
…0010001001110101
312102122010102011020
41331122102021311
513302113321401
6544440531353
7103066030350
oct17532221165
95378112136
102104042101
1198a749a77
124a8780b59
13276ba4935
1415d61d297
15c4ab4d36
hex7d692275

2104042101 has 16 divisors (see below), whose sum is σ = 3208617984. Its totient is φ = 1201387824.

The previous prime is 2104042099. The next prime is 2104042123. The reversal of 2104042101 is 1012404012.

It is not a de Polignac number, because 2104042101 - 21 = 2104042099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104042181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9885 + ... + 65618.

It is an arithmetic number, because the mean of its divisors is an integer number (200538624).

Almost surely, 22104042101 is an apocalyptic number.

2104042101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2104042101 is a deficient number, since it is larger than the sum of its proper divisors (1104575883).

2104042101 is a wasteful number, since it uses less digits than its factorization.

2104042101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76840.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2104042101 is about 45869.8386851316. The cubic root of 2104042101 is about 1281.4002622547.

Adding to 2104042101 its reverse (1012404012), we get a palindrome (3116446113).

The spelling of 2104042101 in words is "two billion, one hundred four million, forty-two thousand, one hundred one".

Divisors: 1 3 7 21 1327 3981 9289 27867 75503 226509 528521 1585563 100192481 300577443 701347367 2104042101