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10551056436 = 223440979621
BaseRepresentation
bin10011101001110010…
…00101100000110100
31000020022200012110000
421310321011200310
5133102032301221
64502545431300
7522315333324
oct116471054064
930208605400
1010551056436
114524883958
12206563b530
13cc1c0a77b
14721409284
1541b45de26
hex274e45834

10551056436 has 60 divisors (see below), whose sum is σ = 27650331940. Its totient is φ = 3508375680.

The previous prime is 10551056413. The next prime is 10551056437. The reversal of 10551056436 is 63465015501.

10551056436 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 1 + 0 + 5 + 643 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6074643600 + 4476412836 = 77940^2 + 66906^2 .

It is a super-2 number, since 2×105510564362 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 10551056436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10551056437) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 92706 + ... + 172326.

Almost surely, 210551056436 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 10551056436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13825165970).

10551056436 is an abundant number, since it is smaller than the sum of its proper divisors (17099275504).

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

10551056436 is a wasteful number, since it uses less digits than its factorization.

10551056436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80046 (or 80035 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 10551056436 in words is "ten billion, five hundred fifty-one million, fifty-six thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 409 818 1227 1636 2454 3681 4908 7362 11043 14724 22086 33129 44172 66258 79621 132516 159242 238863 318484 477726 716589 955452 1433178 2149767 2866356 4299534 6449301 8599068 12898602 25797204 32564989 65129978 97694967 130259956 195389934 293084901 390779868 586169802 879254703 1172339604 1758509406 2637764109 3517018812 5275528218 10551056436