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10221010245 = 33561220347
BaseRepresentation
bin10011000010011100…
…00011110101000101
3222101022122010012000
421201032003311011
5131413034311440
64410115415513
7511200103455
oct114116036505
928338563160
1010221010245
114375548306
121b92bb4599
13c6b71c974
146cd653d65
153ec4b7730
hex261383d45

10221010245 has 48 divisors (see below), whose sum is σ = 18474356160. Its totient is φ = 5361577920.

The previous prime is 10221010229. The next prime is 10221010307. The reversal of 10221010245 is 54201012201.

It is not a de Polignac number, because 10221010245 - 24 = 10221010229 is a prime.

It is a super-3 number, since 3×102210102453 (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 492162 + ... + 512508.

It is an arithmetic number, because the mean of its divisors is an integer number (384882420).

Almost surely, 210221010245 is an apocalyptic number.

10221010245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10221010245 is a deficient number, since it is larger than the sum of its proper divisors (8253345915).

10221010245 is an equidigital number, since it uses as much as digits as its factorization.

10221010245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20483 (or 20416 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 10221010245 its reverse (54201012201), we get a palindrome (64422022446).

The spelling of 10221010245 in words is "ten billion, two hundred twenty-one million, ten thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 27 45 61 135 183 305 549 915 1647 2745 3721 8235 11163 18605 20347 33489 55815 61041 100467 101735 167445 183123 305205 502335 549369 915615 1241167 2746845 3723501 6205835 11170503 18617505 33511509 55852515 75711187 167557545 227133561 378555935 681400683 1135667805 2044202049 3407003415 10221010245