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2196195139 = 61972391553
BaseRepresentation
bin1000001011100111…
…0100011101000011
312200001112021100201
42002321310131003
513444211221024
61001532030031
7105265231165
oct20271643503
95601467321
102196195139
11a27770a06
12513602317
1328cccb868
1416b96a935
15ccc19744
hex82e74743

2196195139 has 16 divisors (see below), whose sum is σ = 2266104960. Its totient is φ = 2127605760.

The previous prime is 2196195137. The next prime is 2196195187. The reversal of 2196195139 is 9315916912.

It is a happy number.

It is not a de Polignac number, because 2196195139 - 21 = 2196195137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2196195137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1413387 + ... + 1414939.

It is an arithmetic number, because the mean of its divisors is an integer number (141631560).

Almost surely, 22196195139 is an apocalyptic number.

2196195139 is a deficient number, since it is larger than the sum of its proper divisors (69909821).

2196195139 is a wasteful number, since it uses less digits than its factorization.

2196195139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950.

The product of its digits is 131220, while the sum is 46.

The square root of 2196195139 is about 46863.5800915807. The cubic root of 2196195139 is about 1299.8412309062.

The spelling of 2196195139 in words is "two billion, one hundred ninety-six million, one hundred ninety-five thousand, one hundred thirty-nine".

Divisors: 1 61 97 239 1553 5917 14579 23183 94733 150641 371167 1414163 9189101 22641187 36003199 2196195139