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105536144020 = 2252912713110937
BaseRepresentation
bin110001001001001110…
…0011100001010010100
3101002101222212121010211
41202102130130022110
53212114223102040
6120252125455204
710424166265036
oct1422234341224
9332358777124
10105536144020
114083744703a
1218553a11504
139c4b769ac8
145172405c56
152b2a2988ea
hex189271c294

105536144020 has 96 divisors (see below), whose sum is σ = 232858644480. Its totient is φ = 40125496320.

The previous prime is 105536144009. The next prime is 105536144059. The reversal of 105536144020 is 20441635501.

It is a happy number.

It is a super-2 number, since 2×1055361440202 (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, 9643992 + ... + 9654928.

It is an arithmetic number, because the mean of its divisors is an integer number (2425610880).

Almost surely, 2105536144020 is an apocalyptic number.

105536144020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105536144020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116429322240).

105536144020 is an abundant number, since it is smaller than the sum of its proper divisors (127322500460).

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

105536144020 is a wasteful number, since it uses less digits than its factorization.

105536144020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11233 (or 11231 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 105536144020 its reverse (20441635501), we get a palindrome (125977779521).

The spelling of 105536144020 in words is "one hundred five billion, five hundred thirty-six million, one hundred forty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 29 58 116 127 131 145 254 262 290 508 524 580 635 655 1270 1310 2540 2620 3683 3799 7366 7598 10937 14732 15196 16637 18415 18995 21874 33274 36830 37990 43748 54685 66548 73660 75980 83185 109370 166370 218740 317173 332740 482473 634346 964946 1268692 1388999 1432747 1585865 1929892 2412365 2777998 2865494 3171730 4824730 5555996 5730988 6343460 6944995 7163735 9649460 13889990 14327470 27779980 28654940 40280971 41549663 80561942 83099326 161123884 166198652 181958869 201404855 207748315 363917738 402809710 415496630 727835476 805619420 830993260 909794345 1819588690 3639177380 5276807201 10553614402 21107228804 26384036005 52768072010 105536144020