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104215236424 = 231310171913799
BaseRepresentation
bin110000100001110110…
…1100100111101001000
3100221222221100112120021
41201003231210331020
53201413100031144
6115513102110224
710346356615345
oct1410355447510
9327887315507
10104215236424
1140219869672
121824557b374
139a9abc1590
145088c017cc
152a9e328884
hex1843b64f48

104215236424 has 64 divisors (see below), whose sum is σ = 212829120000. Its totient is φ = 47553427200.

The previous prime is 104215236383. The next prime is 104215236427. The reversal of 104215236424 is 424632512401.

It is a self number, because there is not a number n which added to its sum of digits gives 104215236424.

It is not an unprimeable number, because it can be changed into a prime (104215236427) 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 15 ways as a sum of consecutive naturals, for example, 7545477 + ... + 7559275.

It is an arithmetic number, because the mean of its divisors is an integer number (3325455000).

Almost surely, 2104215236424 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 104215236424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106414560000).

104215236424 is an abundant number, since it is smaller than the sum of its proper divisors (108613883576).

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

104215236424 is a wasteful number, since it uses less digits than its factorization.

104215236424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14638 (or 14634 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 104215236424 its reverse (424632512401), we get a palindrome (528847748825).

The spelling of 104215236424 in words is "one hundred four billion, two hundred fifteen million, two hundred thirty-six thousand, four hundred twenty-four".

Divisors: 1 2 4 8 13 26 52 101 104 202 404 719 808 1313 1438 2626 2876 5252 5752 9347 10504 13799 18694 27598 37388 55196 72619 74776 110392 145238 179387 290476 358774 580952 717548 944047 1393699 1435096 1888094 2787398 3776188 5574796 7552376 9921481 11149592 18118087 19842962 36236174 39685924 72472348 79371848 128979253 144944696 257958506 515917012 1002069581 1031834024 2004139162 4008278324 8016556648 13026904553 26053809106 52107618212 104215236424