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2120100198 = 23642754979
BaseRepresentation
bin111111001011110…
…0010100101100110
312110202100020201120
41332113202211212
513320221201243
6550213034410
7103352361066
oct17627424546
95422306646
102120100198
11998817727
124b2025a06
1327a307a78
141617dd3a6
15c61d7c83
hex7e5e2966

2120100198 has 16 divisors (see below), whose sum is σ = 4240937280. Its totient is φ = 706577256.

The previous prime is 2120100197. The next prime is 2120100263. The reversal of 2120100198 is 8910010212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120100197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11073 + ... + 66051.

It is an arithmetic number, because the mean of its divisors is an integer number (265058580).

Almost surely, 22120100198 is an apocalyptic number.

2120100198 is an abundant number, since it is smaller than the sum of its proper divisors (2120837082).

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

2120100198 is a wasteful number, since it uses less digits than its factorization.

2120100198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61411.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 2120100198 is about 46044.5458007786. The cubic root of 2120100198 is about 1284.6518959979.

The spelling of 2120100198 in words is "two billion, one hundred twenty million, one hundred thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 6427 12854 19281 38562 54979 109958 164937 329874 353350033 706700066 1060050099 2120100198