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163102513656628 = 2271317924077103969
BaseRepresentation
bin100101000101011101000011…
…011000110111001100110100
3210101111110002121111122121101
4211011131003120313030310
5132334232421444003003
61334520132124055444
746232524223221420
oct4505350330671464
9711443077448541
10163102513656628
1147a73429981527
1216362439994584
137001668a35240
142c3c2bd269b80
1513cca0d82811d
hex945743637334

163102513656628 has 96 divisors (see below), whose sum is σ = 353278348819200. Its totient is φ = 64160319614976.

The previous prime is 163102513656581. The next prime is 163102513656659. The reversal of 163102513656628 is 826656315201361.

It is a super-2 number, since 2×1631025136566282 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1568709028 + ... + 1568812996.

It is an arithmetic number, because the mean of its divisors is an integer number (3679982800200).

Almost surely, 2163102513656628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163102513656628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176639174409600).

163102513656628 is an abundant number, since it is smaller than the sum of its proper divisors (190175835162572).

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

163102513656628 is a wasteful number, since it uses less digits than its factorization.

163102513656628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128249 (or 128247 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 55.

Adding to 163102513656628 its reverse (826656315201361), we get a palindrome (989758828857989).

The spelling of 163102513656628 in words is "one hundred sixty-three trillion, one hundred two billion, five hundred thirteen million, six hundred fifty-six thousand, six hundred twenty-eight".

Divisors: 1 2 4 7 13 14 26 28 52 91 179 182 358 364 716 1253 2327 2506 4654 5012 9308 16289 24077 32578 48154 65156 96308 103969 168539 207938 313001 337078 415876 626002 674156 727783 1252004 1351597 1455566 2191007 2703194 2911132 4309783 4382014 5406388 8619566 8764028 9461179 17239132 18610451 18922358 30168481 37220902 37844716 56027179 60336962 74441804 112054358 120673924 130273157 224108716 241935863 260546314 392190253 483871726 521092628 784380506 967743452 1568761012 1693551041 2503261613 3387102082 5006523226 6774204164 10013046452 17522831291 32542400969 35045662582 65084801938 70091325164 130169603876 227796806783 448083828727 455593613566 896167657454 911187227132 1792335314908 3136586801089 5825089773451 6273173602178 11650179546902 12546347204356 23300359093804 40775628414157 81551256828314 163102513656628