Search a number
-
+
131043024553 = 71712713676343
BaseRepresentation
bin111101000001011000…
…1011101111010101001
3110112020121120101022211
41322002301131322221
54121334003241203
6140111134445121
712316240221160
oct1720261357251
9415217511284
10131043024553
11506364099a1
12214920637a1
13c484cc711c
1464b1c163d7
15361e6e2c6d
hex1e82c5dea9

131043024553 has 32 divisors (see below), whose sum is σ = 159963807744. Its totient is φ = 104789728512.

The previous prime is 131043024551. The next prime is 131043024559. The reversal of 131043024553 is 355420340131.

It is not a de Polignac number, because 131043024553 - 21 = 131043024551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131043024551) 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, 20656300 + ... + 20662642.

It is an arithmetic number, because the mean of its divisors is an integer number (4998868992).

Almost surely, 2131043024553 is an apocalyptic number.

It is an amenable number.

131043024553 is a deficient number, since it is larger than the sum of its proper divisors (28920783191).

131043024553 is a wasteful number, since it uses less digits than its factorization.

131043024553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7861.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 131043024553 its reverse (355420340131), we get a palindrome (486463364684).

The spelling of 131043024553 in words is "one hundred thirty-one billion, forty-three million, twenty-four thousand, five hundred fifty-three".

Divisors: 1 7 17 119 127 889 1367 2159 6343 9569 15113 23239 44401 107831 162673 173609 754817 805561 1215263 2951353 5638927 8670881 13694537 20659471 60696167 95861759 147404977 1031834839 1101201887 7708413209 18720432079 131043024553