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130886205681 = 371113921119319
BaseRepresentation
bin111100111100101101…
…1010000000011110001
3110111211200111011021110
41321321123100003301
54121023332040211
6140043413343533
712312324251250
oct1717133200361
9414750434243
10130886205681
115056593a620
1221449637ba9
13c45b67b5aa
146499074797
153610a67ea6
hex1e796d00f1

130886205681 has 64 divisors (see below), whose sum is σ = 220192358400. Its totient is φ = 67180276800.

The previous prime is 130886205647. The next prime is 130886205701. The reversal of 130886205681 is 186502688031.

It is not a de Polignac number, because 130886205681 - 26 = 130886205617 is a prime.

It is a super-2 number, since 2×1308862056812 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130886205681.

It is not an unprimeable number, because it can be changed into a prime (130886205641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6765340 + ... + 6784658.

It is an arithmetic number, because the mean of its divisors is an integer number (3440505600).

Almost surely, 2130886205681 is an apocalyptic number.

130886205681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

130886205681 is a deficient number, since it is larger than the sum of its proper divisors (89306152719).

130886205681 is a wasteful number, since it uses less digits than its factorization.

130886205681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19690.

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 130886205681 in words is "one hundred thirty billion, eight hundred eighty-six million, two hundred five thousand, six hundred eighty-one".

Divisors: 1 3 7 11 21 33 77 139 211 231 417 633 973 1477 1529 2321 2919 4431 4587 6963 10703 16247 19319 29329 32109 48741 57957 87987 135233 205303 212509 322619 405699 615909 637527 967857 1487563 2258333 2685341 4076309 4462689 6774999 8056023 12228927 18797387 28534163 29538751 44839399 56392161 85602489 88616253 134518197 206771257 313875793 566606951 620313771 941627379 1699820853 3966248657 6232676461 11898745971 18698029383 43628735227 130886205681