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105421511310 = 23523166391873
BaseRepresentation
bin110001000101110011…
…1001001101010001110
3101002010000011122121220
41202023213021222032
53211400401330220
6120232512504210
710421305026633
oct1421347115216
9332100148556
10105421511310
1140788770865
121852154b066
139c30aa1bbb
1451610c618a
152b201a3540
hex188b9c9a8e

105421511310 has 64 divisors (see below), whose sum is σ = 264173764608. Its totient is φ = 26873662464.

The previous prime is 105421511297. The next prime is 105421511323. The reversal of 105421511310 is 13115124501.

It is an interprime number because it is at equal distance from previous prime (105421511297) and next prime (105421511323).

It is a super-2 number, since 2×1054215113102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1101534 + ... + 1193406.

It is an arithmetic number, because the mean of its divisors is an integer number (4127715072).

Almost surely, 2105421511310 is an apocalyptic number.

105421511310 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 105421511310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132086882304).

105421511310 is an abundant number, since it is smaller than the sum of its proper divisors (158752253298).

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

105421511310 is a wasteful number, since it uses less digits than its factorization.

105421511310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93569.

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 105421511310 its reverse (13115124501), we get a palindrome (118536635811).

The spelling of 105421511310 in words is "one hundred five billion, four hundred twenty-one million, five hundred eleven thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 1663 3326 4989 8315 9978 16630 24945 38249 49890 76498 91873 114747 183746 191245 229494 275619 382490 459365 551238 573735 918730 1147470 1378095 2113079 2756190 4226158 6339237 10565395 12678474 21130790 31696185 63392370 152784799 305569598 458354397 763923995 916708794 1527847990 2291771985 3514050377 4583543970 7028100754 10542151131 17570251885 21084302262 35140503770 52710755655 105421511310