Search a number
-
+
131143340314220 = 225132132323655089
BaseRepresentation
bin11101110100011000110000…
…001101101100111001101100
3122012100011212212112010200112
4131310120300031230321230
5114142123030110023340
61142530230244515152
736423536141056313
oct3564306015547154
9565304785463615
10131143340314220
113887163a786823
121286055b3abab8
1358239c146b8b0
14245552b70527a
151026514de9065
hex77463036ce6c

131143340314220 has 48 divisors (see below), whose sum is σ = 296599629826080. Its totient is φ = 48419883488256.

The previous prime is 131143340314177. The next prime is 131143340314229. The reversal of 131143340314220 is 22413043341131.

It is not an unprimeable number, because it can be changed into a prime (131143340314229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6283565 + ... + 17371524.

It is an arithmetic number, because the mean of its divisors is an integer number (6179158954710).

Almost surely, 2131143340314220 is an apocalyptic number.

131143340314220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131143340314220 is an abundant number, since it is smaller than the sum of its proper divisors (165456289511860).

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

131143340314220 is a wasteful number, since it uses less digits than its factorization.

131143340314220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23676434 (or 23676432 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 131143340314220 its reverse (22413043341131), we get a palindrome (153556383655351).

The spelling of 131143340314220 in words is "one hundred thirty-one trillion, one hundred forty-three billion, three hundred forty million, three hundred fourteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 21323 42646 85292 106615 213230 277199 426460 554398 1108796 1385995 2771990 5543980 23655089 47310178 94620356 118275445 236550890 307516157 473101780 615032314 1230064628 1537580785 3075161570 6150323140 504397462747 1008794925494 2017589850988 2521987313735 5043974627470 6557167015711 10087949254940 13114334031422 26228668062844 32785835078555 65571670157110 131143340314220