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2197105636 = 22111723127709
BaseRepresentation
bin1000001011110101…
…0010101111100100
312200010020112022211
42002331102233210
513444424340021
61002003333204
7105306042535
oct20275225744
95603215284
102197105636
11a28232a90
12513981204
1329025a10b
1416bb2668c
15ccd493e1
hex82f52be4

2197105636 has 48 divisors (see below), whose sum is σ = 4634340480. Its totient is φ = 899064320.

The previous prime is 2197105633. The next prime is 2197105639. The reversal of 2197105636 is 6365017912.

2197105636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2197105633) and next prime (2197105639).

It is not an unprimeable number, because it can be changed into a prime (2197105633) 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, 46651 + ... + 81058.

It is an arithmetic number, because the mean of its divisors is an integer number (96548760).

Almost surely, 22197105636 is an apocalyptic number.

It is an amenable number.

2197105636 is an abundant number, since it is smaller than the sum of its proper divisors (2437234844).

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

2197105636 is a wasteful number, since it uses less digits than its factorization.

2197105636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127764 (or 127762 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 2197105636 is about 46873.2934196009. The cubic root of 2197105636 is about 1300.0208351690.

The spelling of 2197105636 in words is "two billion, one hundred ninety-seven million, one hundred five thousand, six hundred thirty-six".

Divisors: 1 2 4 11 17 22 23 34 44 46 68 92 187 253 374 391 506 748 782 1012 1564 4301 8602 17204 127709 255418 510836 1404799 2171053 2809598 2937307 4342106 5619196 5874614 8684212 11749228 23881583 32310377 47763166 49934219 64620754 95526332 99868438 129241508 199736876 549276409 1098552818 2197105636