Search a number
-
+
12010000100 = 2252717157143
BaseRepresentation
bin10110010111101101…
…00000111011100100
31010222222221012220112
423023312200323210
5144044030000400
65303423552152
7603422213360
oct131366407344
933888835815
1012010000100
11510337191a
1223b215b658
131195256447
1481d0a22a0
154a4598835
hex2cbda0ee4

12010000100 has 36 divisors (see below), whose sum is σ = 29784801984. Its totient is φ = 4117714080.

The previous prime is 12010000087. The next prime is 12010000109. The reversal of 12010000100 is 100001021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is not an unprimeable number, because it can be changed into a prime (12010000109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8577872 + ... + 8579271.

Almost surely, 212010000100 is an apocalyptic number.

12010000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010000100 is an abundant number, since it is smaller than the sum of its proper divisors (17774801884).

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

12010000100 is a wasteful number, since it uses less digits than its factorization.

12010000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17157164 (or 17157157 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 12010000100 its reverse (100001021), we get a palindrome (12110001121).

The spelling of 12010000100 in words is "twelve billion, ten million, one hundred", and thus it is an aban number.

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 17157143 34314286 68628572 85785715 120100001 171571430 240200002 343142860 428928575 480400004 600500005 857857150 1201000010 1715714300 2402000020 3002500025 6005000050 12010000100