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2097602865 = 33579196681
BaseRepresentation
bin111110100000110…
…1110000100110001
312102012000021012000
41331001232010301
513243441242430
6544050524213
7102660221151
oct17501560461
95365007160
102097602865
11987051096
124a6596669
1327575ba37
1415c824761
15c4241e60
hex7d06e131

2097602865 has 32 divisors (see below), whose sum is σ = 3776294400. Its totient is φ = 1104554880.

The previous prime is 2097602863. The next prime is 2097602873. The reversal of 2097602865 is 5682067902.

It is not a de Polignac number, because 2097602865 - 21 = 2097602863 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2097602865.

It is not an unprimeable number, because it can be changed into a prime (2097602863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87676 + ... + 109005.

It is an arithmetic number, because the mean of its divisors is an integer number (118009200).

Almost surely, 22097602865 is an apocalyptic number.

It is an amenable number.

2097602865 is a deficient number, since it is larger than the sum of its proper divisors (1678691535).

2097602865 is a wasteful number, since it uses less digits than its factorization.

2097602865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196774 (or 196768 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2097602865 is about 45799.5945942756. The cubic root of 2097602865 is about 1280.0917221463.

The spelling of 2097602865 in words is "two billion, ninety-seven million, six hundred two thousand, eight hundred sixty-five".

Divisors: 1 3 5 9 15 27 45 79 135 237 395 711 1185 2133 3555 10665 196681 590043 983405 1770129 2950215 5310387 8850645 15537799 26551935 46613397 77688995 139840191 233066985 419520573 699200955 2097602865