Search a number
-
+
100100511488 = 285323930869
BaseRepresentation
bin101110100111001110…
…1001001011100000000
3100120101011202212002102
41131032131021130000
53120001212331423
6113552513205532
710142404210625
oct1351635113400
9316334685072
10100100511488
11394a814694a
12174975608a8
1395935a1cb3
144bb854634c
15290ce90c28
hex174e749700

100100511488 has 72 divisors (see below), whose sum is σ = 204438427200. Its totient is φ = 48898863104.

The previous prime is 100100511481. The next prime is 100100511491. The reversal of 100100511488 is 884115001001.

It is a super-2 number, since 2×1001005114882 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100100511488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100100511481) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3227318 + ... + 3258186.

It is an arithmetic number, because the mean of its divisors is an integer number (2839422600).

Almost surely, 2100100511488 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 100100511488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102219213600).

100100511488 is an abundant number, since it is smaller than the sum of its proper divisors (104337915712).

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

100100511488 is an equidigital number, since it uses as much as digits as its factorization.

100100511488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31177 (or 31163 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 29.

Adding to 100100511488 its reverse (884115001001), we get a palindrome (984215512489).

The spelling of 100100511488 in words is "one hundred billion, one hundred million, five hundred eleven thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 16 32 53 64 106 128 212 239 256 424 478 848 956 1696 1912 3392 3824 6784 7648 12667 13568 15296 25334 30592 30869 50668 61184 61738 101336 123476 202672 246952 405344 493904 810688 987808 1621376 1636057 1975616 3242752 3272114 3951232 6544228 7377691 7902464 13088456 14755382 26176912 29510764 52353824 59021528 104707648 118043056 209415296 236086112 391017623 418830592 472172224 782035246 944344448 1564070492 1888688896 3128140984 6256281968 12512563936 25025127872 50050255744 100100511488