Search a number
-
+
13124202433412 = 2272371809735581
BaseRepresentation
bin1011111011111011011101…
…1011001000101110000100
31201110122212020021212122212
42332332313123020232010
53210011331310332122
643525101513442552
72523122654021300
oct276766733105604
951418766255585
1013124202433412
1141aaa41143284
12157b684a10458
137427b76c0c75
14335301538d00
1517b5cd54cce2
hexbefb76c8b84

13124202433412 has 36 divisors (see below), whose sum is σ = 27439210894284. Its totient is φ = 5472640393920.

The previous prime is 13124202433411. The next prime is 13124202433421. The reversal of 13124202433412 is 21433420242131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4765026215236 + 8359176218176 = 2182894^2 + 2891224^2 .

It is not an unprimeable number, because it can be changed into a prime (13124202433411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 904860539 + ... + 904875042.

It is an arithmetic number, because the mean of its divisors is an integer number (762200302619).

Almost surely, 213124202433412 is an apocalyptic number.

It is an amenable number.

13124202433412 is an abundant number, since it is smaller than the sum of its proper divisors (14315008460872).

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

13124202433412 is a wasteful number, since it uses less digits than its factorization.

13124202433412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809735636 (or 1809735627 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 13124202433412 its reverse (21433420242131), we get a palindrome (34557622675543).

The spelling of 13124202433412 in words is "thirteen trillion, one hundred twenty-four billion, two hundred two million, four hundred thirty-three thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 37 49 74 98 148 196 259 518 1036 1813 3626 7252 1809735581 3619471162 7238942324 12668149067 25336298134 50672596268 66960216497 88677043469 133920432994 177354086938 267840865988 354708173876 468721515479 937443030958 1874886061916 3281050608353 6562101216706 13124202433412