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10021100310 = 23251323935837
BaseRepresentation
bin10010101010100110…
…11101101100010110
3221212101110122022100
421111103131230112
5131010400202220
64334214542530
7503221642614
oct112523355426
927771418270
1010021100310
114282716a91
121b38067a46
13c39197670
146b0c966b4
153d9b79d90
hex2554ddb16

10021100310 has 96 divisors (see below), whose sum is σ = 28177269120. Its totient is φ = 2456342784.

The previous prime is 10021100291. The next prime is 10021100339. The reversal of 10021100310 is 1300112001.

It is a super-2 number, since 2×100211003102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10021100292 and 10021100301.

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, 261712 + ... + 297548.

It is an arithmetic number, because the mean of its divisors is an integer number (293513220).

Almost surely, 210021100310 is an apocalyptic number.

10021100310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10021100310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14088634560).

10021100310 is an abundant number, since it is smaller than the sum of its proper divisors (18156168810).

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

10021100310 is a wasteful number, since it uses less digits than its factorization.

10021100310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36102 (or 36099 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 10021100310 its reverse (1300112001), we get a palindrome (11321212311).

The spelling of 10021100310 in words is "ten billion, twenty-one million, one hundred thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 239 390 478 585 717 1170 1195 1434 2151 2390 3107 3585 4302 6214 7170 9321 10755 15535 18642 21510 27963 31070 35837 46605 55926 71674 93210 107511 139815 179185 215022 279630 322533 358370 465881 537555 645066 931762 1075110 1397643 1612665 2329405 2795286 3225330 4192929 4658810 6988215 8385858 8565043 13976430 17130086 20964645 25695129 41929290 42825215 51390258 77085387 85650430 111345559 128475645 154170774 222691118 256951290 334036677 385426935 556727795 668073354 770853870 1002110031 1113455590 1670183385 2004220062 3340366770 5010550155 10021100310