Search a number
-
+
6135508781454 = 23131729159554501
BaseRepresentation
bin101100101001000100011…
…0100100100100110001110
3210201112211011012220000210
41121102020310210212032
51301011010222001304
621014340330303250
71202163425102643
oct131221064444616
923645734186023
106135508781454
111a56066833628
12831129587b26
13356764601310
14172d62b59dca
15a98ea752c89
hex59488d2498e

6135508781454 has 64 divisors (see below), whose sum is σ = 14474784421440. Its totient is φ = 1715529984000.

The previous prime is 6135508781453. The next prime is 6135508781459. The reversal of 6135508781454 is 4541878055316.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6135508781394 and 6135508781403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6135508781453) 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, 79738797 + ... + 79815704.

It is an arithmetic number, because the mean of its divisors is an integer number (226168506585).

Almost surely, 26135508781454 is an apocalyptic number.

6135508781454 is an abundant number, since it is smaller than the sum of its proper divisors (8339275639986).

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

6135508781454 is a wasteful number, since it uses less digits than its factorization.

6135508781454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159554565.

The product of its (nonzero) digits is 16128000, while the sum is 57.

The spelling of 6135508781454 in words is "six trillion, one hundred thirty-five billion, five hundred eight million, seven hundred eighty-one thousand, four hundred fifty-four".

Divisors: 1 2 3 6 13 17 26 29 34 39 51 58 78 87 102 174 221 377 442 493 663 754 986 1131 1326 1479 2262 2958 6409 12818 19227 38454 159554501 319109002 478663503 957327006 2074208513 2712426517 4148417026 4627080529 5424853034 6222625539 8137279551 9254161058 12445251078 13881241587 16274559102 27762483174 35261544721 60152046877 70523089442 78660368993 105784634163 120304093754 157320737986 180456140631 211569268326 235981106979 360912281262 471962213958 1022584796909 2045169593818 3067754390727 6135508781454