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2199974913 = 321736433947
BaseRepresentation
bin1000001100100000…
…1111010000000001
312200022122022020100
42003020033100001
514001143144123
61002145033013
7105342323013
oct20310172001
95608568210
102199974913
11a29912794
12514925769
13290a23106
1416c2721b3
15cd214643
hex8320f401

2199974913 has 24 divisors (see below), whose sum is σ = 3366443808. Its totient is φ = 1379647872.

The previous prime is 2199974893. The next prime is 2199974921. The reversal of 2199974913 is 3194799912.

It is a happy number.

It is not a de Polignac number, because 2199974913 - 28 = 2199974657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2199974913.

It is not an unprimeable number, because it can be changed into a prime (2199974113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 555406 + ... + 559352.

It is an arithmetic number, because the mean of its divisors is an integer number (140268492).

Almost surely, 22199974913 is an apocalyptic number.

It is an amenable number.

2199974913 is a deficient number, since it is larger than the sum of its proper divisors (1166468895).

2199974913 is a wasteful number, since it uses less digits than its factorization.

2199974913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7613 (or 7610 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 54.

The square root of 2199974913 is about 46903.8901691533. The cubic root of 2199974913 is about 1300.5865032057.

The spelling of 2199974913 in words is "two billion, one hundred ninety-nine million, nine hundred seventy-four thousand, nine hundred thirteen".

Divisors: 1 3 9 17 51 153 3643 3947 10929 11841 32787 35523 61931 67099 185793 201297 557379 603891 14378921 43136763 129410289 244441657 733324971 2199974913