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2197430122 = 21098715061
BaseRepresentation
bin1000001011111010…
…0001111101101010
312200010212000102211
42002332201331222
514000020230442
61002014315334
7105311563546
oct20276417552
95603760384
102197430122
11a28434858
12513ab8b4a
13290341a14
1416bbaca26
15ccdb0617
hex82fa1f6a

2197430122 has 4 divisors (see below), whose sum is σ = 3296145186. Its totient is φ = 1098715060.

The previous prime is 2197430113. The next prime is 2197430141. The reversal of 2197430122 is 2210347912.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1714705281 + 482724841 = 41409^2 + 21971^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 549357529 + ... + 549357532.

Almost surely, 22197430122 is an apocalyptic number.

2197430122 is a deficient number, since it is larger than the sum of its proper divisors (1098715064).

2197430122 is a wasteful number, since it uses less digits than its factorization.

2197430122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098715063.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2197430122 is about 46876.7546018280. The cubic root of 2197430122 is about 1300.0848311506.

The spelling of 2197430122 in words is "two billion, one hundred ninety-seven million, four hundred thirty thousand, one hundred twenty-two".

Divisors: 1 2 1098715061 2197430122