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10521350268 = 223112135471019
BaseRepresentation
bin10011100110001111…
…10001000001111100
31000011020202222020120
421303013301001330
5133021431202033
64500005014540
7521505000402
oct116307610174
930136688216
1010521350268
11450a034200
1220576b4450
13cb8a09460
1471b4b5472
15418a421b3
hex2731f107c

10521350268 has 144 divisors (see below), whose sum is σ = 29141938560. Its totient is φ = 2934771840.

The previous prime is 10521350251. The next prime is 10521350317. The reversal of 10521350268 is 86205312501.

10521350268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×105213502682 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 47 ways as a sum of consecutive naturals, for example, 10324663 + ... + 10325681.

Almost surely, 210521350268 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 10521350268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14570969280).

10521350268 is an abundant number, since it is smaller than the sum of its proper divisors (18620588292).

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

10521350268 is a wasteful number, since it uses less digits than its factorization.

10521350268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 10521350268 its reverse (86205312501), we get a palindrome (96726662769).

The spelling of 10521350268 in words is "ten billion, five hundred twenty-one million, three hundred fifty thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 11 12 13 22 26 33 39 44 52 66 78 121 132 143 156 242 286 363 429 484 547 572 726 858 1019 1094 1452 1573 1641 1716 2038 2188 3057 3146 3282 4076 4719 6017 6114 6292 6564 7111 9438 11209 12034 12228 13247 14222 18051 18876 21333 22418 24068 26494 28444 33627 36102 39741 42666 44836 52988 66187 67254 72204 78221 79482 85332 123299 132374 134508 145717 156442 158964 198561 234663 246598 264748 291434 312884 369897 397122 437151 469326 493196 557393 582868 739794 794244 860431 874302 938652 1114786 1479588 1602887 1672179 1720862 1748604 2229572 2581293 3205774 3344358 3441724 4808661 5162586 6131323 6411548 6688716 7246109 9617322 10325172 12262646 14492218 18393969 19234644 21738327 24525292 28984436 36787938 43476654 67444553 73575876 79707199 86953308 134889106 159414398 202333659 239121597 269778212 318828796 404667318 478243194 809334636 876779189 956486388 1753558378 2630337567 3507116756 5260675134 10521350268