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130323102021 = 32723166354083
BaseRepresentation
bin111100101011111011…
…1001011100101000101
3110110101102220112021100
41321113313023211011
54113400203231041
6135511500210313
712262346042520
oct1712767134505
9413342815240
10130323102021
11502a6aa24a2
1221310b39999
13c39bb00968
146444373bb7
1535cb3d76b6
hex1e57dcb945

130323102021 has 48 divisors (see below), whose sum is σ = 224629456896. Its totient is φ = 71188352928.

The previous prime is 130323101977. The next prime is 130323102047. The reversal of 130323102021 is 120201323031.

130323102021 is a `hidden beast` number, since 130 + 323 + 10 + 202 + 1 = 666.

It is not a de Polignac number, because 130323102021 - 27 = 130323101893 is a prime.

It is a super-2 number, since 2×1303231020212 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 130323101985 and 130323102003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130323102071) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2382646 + ... + 2436728.

It is an arithmetic number, because the mean of its divisors is an integer number (4679780352).

Almost surely, 2130323102021 is an apocalyptic number.

It is an amenable number.

130323102021 is a deficient number, since it is larger than the sum of its proper divisors (94306354875).

130323102021 is a wasteful number, since it uses less digits than its factorization.

130323102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55782 (or 55779 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 130323102021 its reverse (120201323031), we get a palindrome (250524425052).

The spelling of 130323102021 in words is "one hundred thirty billion, three hundred twenty-three million, one hundred two thousand, twenty-one".

Divisors: 1 3 7 9 21 23 63 69 161 207 483 1449 1663 4989 11641 14967 34923 38249 54083 104769 114747 162249 267743 344241 378581 486747 803229 1135743 1243909 2409687 3407229 3731727 8707363 11195181 26122089 78366267 89940029 269820087 629580203 809460261 1888740609 2068620667 5666221827 6205862001 14480344669 18617586003 43441034007 130323102021