Search a number
-
+
2027686100 = 22521110118251
BaseRepresentation
bin111100011011100…
…0000100011010100
312020022110010102012
41320313000203110
513123041423400
6533112203352
7101151022166
oct17067004324
95208403365
102027686100
11950637640
12487099558
1326411c07b
14153424936
15bd030d35
hex78dc08d4

2027686100 has 72 divisors (see below), whose sum is σ = 4847877216. Its totient is φ = 730000000.

The previous prime is 2027686097. The next prime is 2027686103. The reversal of 2027686100 is 16867202.

It is an interprime number because it is at equal distance from previous prime (2027686097) and next prime (2027686103).

It is a super-2 number, since 2×20276861002 = 8223021840266420000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2027686103) 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, 101975 + ... + 120225.

It is an arithmetic number, because the mean of its divisors is an integer number (67331628).

Almost surely, 22027686100 is an apocalyptic number.

2027686100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2027686100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2423938608).

2027686100 is an abundant number, since it is smaller than the sum of its proper divisors (2820191116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2027686100 is a wasteful number, since it uses less digits than its factorization.

2027686100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18377 (or 18370 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2027686100 is about 45029.8356648123. The cubic root of 2027686100 is about 1265.7081444946.

The spelling of 2027686100 in words is "two billion, twenty-seven million, six hundred eighty-six thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 101 110 202 220 275 404 505 550 1010 1100 1111 2020 2222 2525 4444 5050 5555 10100 11110 18251 22220 27775 36502 55550 73004 91255 111100 182510 200761 365020 401522 456275 803044 912550 1003805 1825100 1843351 2007610 3686702 4015220 5019025 7373404 9216755 10038050 18433510 20076100 20276861 36867020 40553722 46083775 81107444 92167550 101384305 184335100 202768610 405537220 506921525 1013843050 2027686100