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10155664806 = 2371919764601
BaseRepresentation
bin10010111010101001…
…10010010110100110
3222012202200020002120
421131110302112212
5131244322233211
64355423050410
7506444504130
oct113524622646
928182606076
1010155664806
114341676311
121b75140a06
13c5b020921
146c4ac4050
153e68aad06
hex25d5325a6

10155664806 has 64 divisors (see below), whose sum is σ = 24559096320. Its totient is φ = 2734905600.

The previous prime is 10155664751. The next prime is 10155664823. The reversal of 10155664806 is 60846655101.

10155664806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124906 + ... + 189506.

It is an arithmetic number, because the mean of its divisors is an integer number (383735880).

Almost surely, 210155664806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10155664806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12279548160).

10155664806 is an abundant number, since it is smaller than the sum of its proper divisors (14403431514).

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

10155664806 is a wasteful number, since it uses less digits than its factorization.

10155664806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64829.

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 10155664806 in words is "ten billion, one hundred fifty-five million, six hundred sixty-four thousand, eight hundred six".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 114 133 197 266 394 399 591 798 1182 1379 2758 3743 4137 7486 8274 11229 22458 26201 52402 64601 78603 129202 157206 193803 387606 452207 904414 1227419 1356621 2454838 2713242 3682257 7364514 8591933 12726397 17183866 25452794 25775799 38179191 51551598 76358382 89084779 178169558 241801543 267254337 483603086 534508674 725404629 1450809258 1692610801 3385221602 5077832403 10155664806