Search a number
-
+
100212200020 = 2255416792503
BaseRepresentation
bin101110101010100011…
…1001101001001010100
3100120122221221012221201
41131111013031021110
53120213310400040
6114011543122244
710145231434312
oct1352507151124
9316587835851
10100212200020
11395551a1119
1217508a43384
1395b0778a9a
144bc92db0b2
152917ba3a9a
hex17551cd254

100212200020 has 24 divisors (see below), whose sum is σ = 210451780224. Its totient is φ = 40083706656.

The previous prime is 100212200017. The next prime is 100212200119. The reversal of 100212200020 is 20002212001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1037089 + ... + 1129591.

It is an arithmetic number, because the mean of its divisors is an integer number (8768824176).

Almost surely, 2100212200020 is an apocalyptic number.

100212200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100212200020 is an abundant number, since it is smaller than the sum of its proper divisors (110239580204).

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

100212200020 is a wasteful number, since it uses less digits than its factorization.

100212200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146679 (or 146677 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 100212200020 its reverse (20002212001), we get a palindrome (120214412021).

The spelling of 100212200020 in words is "one hundred billion, two hundred twelve million, two hundred thousand, twenty".

Divisors: 1 2 4 5 10 20 54167 92503 108334 185006 216668 270835 370012 462515 541670 925030 1083340 1850060 5010610001 10021220002 20042440004 25053050005 50106100010 100212200020