Search a number
-
+
13405350100 = 2252884915149
BaseRepresentation
bin11000111110000010…
…10110100011010100
31021121020112100021011
430133001112203110
5204423232200400
610054111102004
7653124411232
oct143701264324
937536470234
1013405350100
115759a74a3a
122721511904
13135836752c
14912523952
15536d208ba
hex31f0568d4

13405350100 has 36 divisors (see below), whose sum is σ = 29094817500. Its totient is φ = 5361180160.

The previous prime is 13405350097. The next prime is 13405350149. The reversal of 13405350100 is 105350431.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2107360836 + 11297989264 = 45906^2 + 106292^2 .

It is a super-2 number, since 2×134053501002 (a number of 21 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 11 ways as a sum of consecutive naturals, for example, 877326 + ... + 892474.

It is an arithmetic number, because the mean of its divisors is an integer number (808189375).

Almost surely, 213405350100 is an apocalyptic number.

13405350100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13405350100 is an abundant number, since it is smaller than the sum of its proper divisors (15689467400).

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

13405350100 is a wasteful number, since it uses less digits than its factorization.

13405350100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24012 (or 24005 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The spelling of 13405350100 in words is "thirteen billion, four hundred five million, three hundred fifty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 8849 15149 17698 30298 35396 44245 60596 75745 88490 151490 176980 221225 302980 378725 442450 757450 884900 1514900 134053501 268107002 536214004 670267505 1340535010 2681070020 3351337525 6702675050 13405350100