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2198148630 = 23573271621
BaseRepresentation
bin1000001100000101…
…0001011000010110
312200012012112001020
42003001101120112
514000211224010
61002041542010
7105320645406
oct20301213026
95605175036
102198148630
11a28885667
125141a4906
13290533a82
1416bd18806
15ccea3470
hex83051616

2198148630 has 16 divisors (see below), whose sum is σ = 5275556784. Its totient is φ = 586172960.

The previous prime is 2198148587. The next prime is 2198148649. The reversal of 2198148630 is 368418912.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36635781 + ... + 36635840.

It is an arithmetic number, because the mean of its divisors is an integer number (329722299).

Almost surely, 22198148630 is an apocalyptic number.

2198148630 is an abundant number, since it is smaller than the sum of its proper divisors (3077408154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2198148630 is a wasteful number, since it uses less digits than its factorization.

2198148630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73271631.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 2198148630 is about 46884.4177739257. The cubic root of 2198148630 is about 1300.2265147699.

The spelling of 2198148630 in words is "two billion, one hundred ninety-eight million, one hundred forty-eight thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 73271621 146543242 219814863 366358105 439629726 732716210 1099074315 2198148630