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2197002345 = 35712062913
BaseRepresentation
bin1000001011110011…
…1001100001101001
312200010001021122020
42002330321201221
513444413033340
61002001215053
7105305132436
oct20274714151
95603037566
102197002345
11a2817241a
12513931489
132902220b5
1416badab8d
15ccd289d0
hex82f39869

2197002345 has 16 divisors (see below), whose sum is σ = 3564715392. Its totient is φ = 1155230720.

The previous prime is 2197002331. The next prime is 2197002347. The reversal of 2197002345 is 5432007912.

It is not a de Polignac number, because 2197002345 - 211 = 2197000297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2197002347) 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, 1030392 + ... + 1032521.

It is an arithmetic number, because the mean of its divisors is an integer number (222794712).

Almost surely, 22197002345 is an apocalyptic number.

It is an amenable number.

2197002345 is a deficient number, since it is larger than the sum of its proper divisors (1367713047).

2197002345 is a wasteful number, since it uses less digits than its factorization.

2197002345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062992.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2197002345 is about 46872.1915958706. The cubic root of 2197002345 is about 1300.0004625245. Note that the first 3 decimals are identical.

The spelling of 2197002345 in words is "two billion, one hundred ninety-seven million, two thousand, three hundred forty-five".

Divisors: 1 3 5 15 71 213 355 1065 2062913 6188739 10314565 30943695 146466823 439400469 732334115 2197002345