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130130012421 = 32172395338803
BaseRepresentation
bin111100100110001011…
…0100110100100000101
3110102212222120120010200
41321030112212210011
54113001240344141
6135440401441113
712254512566213
oct1711426464405
9412788516120
10130130012421
1150207aaa412
1221278340199
13c36aac5b66
14642686dcb3
1535b9495ab6
hex1e4c5a6905

130130012421 has 48 divisors (see below), whose sum is σ = 207898793856. Its totient is φ = 78016232448.

The previous prime is 130130012359. The next prime is 130130012423. The reversal of 130130012421 is 124210031031.

It is not a de Polignac number, because 130130012421 - 27 = 130130012293 is a prime.

It is a super-2 number, since 2×1301300124212 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130130012394 and 130130012403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130130012423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3334206 + ... + 3373008.

It is an arithmetic number, because the mean of its divisors is an integer number (4331224872).

Almost surely, 2130130012421 is an apocalyptic number.

It is an amenable number.

130130012421 is a deficient number, since it is larger than the sum of its proper divisors (77768781435).

130130012421 is a wasteful number, since it uses less digits than its factorization.

130130012421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39802 (or 39799 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 130130012421 its reverse (124210031031), we get a palindrome (254340043452).

The spelling of 130130012421 in words is "one hundred thirty billion, one hundred thirty million, twelve thousand, four hundred twenty-one".

Divisors: 1 3 9 17 23 51 69 153 207 391 953 1173 2859 3519 8577 16201 21919 38803 48603 65757 116409 145809 197271 349227 372623 659651 892469 1117869 1978953 2677407 3353607 5936859 8032221 15171973 36979259 45515919 110937777 136547757 332813331 628647403 850522957 1885942209 2551568871 5657826627 7654706613 14458890269 43376670807 130130012421