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15204412132 = 22713191383571
BaseRepresentation
bin11100010100100000…
…01110101011100100
31110020121210011102021
432022100032223210
5222114312142012
610552415152524
71045531241110
oct161220165344
943217704367
1015204412132
1164a2548968
122b43b15744
131583cb9690
14a43434740
155dec41007
hex38a40eae4

15204412132 has 96 divisors (see below), whose sum is σ = 33063174144. Its totient is φ = 5957366400.

The previous prime is 15204412087. The next prime is 15204412133. The reversal of 15204412132 is 23121440251.

It is a junction number, because it is equal to n+sod(n) for n = 15204412097 and 15204412106.

It is not an unprimeable number, because it can be changed into a prime (15204412133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26627407 + ... + 26627977.

It is an arithmetic number, because the mean of its divisors is an integer number (344408064).

Almost surely, 215204412132 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 15204412132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16531587072).

15204412132 is an abundant number, since it is smaller than the sum of its proper divisors (17858762012).

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

15204412132 is a wasteful number, since it uses less digits than its factorization.

15204412132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169 (or 1167 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 15204412132 its reverse (23121440251), we get a palindrome (38325852383).

The spelling of 15204412132 in words is "fifteen billion, two hundred four million, four hundred twelve thousand, one hundred thirty-two".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 191 364 382 383 571 764 766 1142 1337 1532 2284 2483 2674 2681 3997 4966 4979 5348 5362 7423 7994 9932 9958 10724 14846 15988 17381 19916 29692 34762 34853 51961 69524 69706 73153 103922 109061 139412 146306 207844 218122 218693 292612 436244 437386 512071 763427 874772 950989 1024142 1417793 1526854 1530851 1901978 2048284 2835586 2843009 3053708 3061702 3803956 5671172 5686018 6123404 6656923 9924551 11372036 13313846 19849102 19901063 26627692 39698204 39802126 41770363 79604252 83540726 167081452 292392541 543014719 584785082 1086029438 1169570164 2172058876 3801103033 7602206066 15204412132