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130102261828 = 22711439823487
BaseRepresentation
bin111100100101010110…
…0101111100001000100
3110102211001100200110221
41321022230233201010
54112422134334303
6135433530554124
712254024656540
oct1711254574104
9412731320427
10130102261828
11501a3375a40
122126ab98944
13c36512a9a6
146422cc8a20
1535b6d134bd
hex1e4ab2f844

130102261828 has 48 divisors (see below), whose sum is σ = 290460893184. Its totient is φ = 49510369440.

The previous prime is 130102261811. The next prime is 130102261831. The reversal of 130102261828 is 828162201031.

It is a happy number.

It is a super-2 number, since 2×1301022618282 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130102261793 and 130102261802.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4898500 + ... + 4924987.

It is an arithmetic number, because the mean of its divisors is an integer number (6051268608).

Almost surely, 2130102261828 is an apocalyptic number.

It is an amenable number.

130102261828 is an abundant number, since it is smaller than the sum of its proper divisors (160358631356).

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

130102261828 is a wasteful number, since it uses less digits than its factorization.

130102261828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9823552 (or 9823550 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

Adding to 130102261828 its reverse (828162201031), we get a palindrome (958264462859).

The spelling of 130102261828 in words is "one hundred thirty billion, one hundred two million, two hundred sixty-one thousand, eight hundred twenty-eight".

Divisors: 1 2 4 7 11 14 22 28 43 44 77 86 154 172 301 308 473 602 946 1204 1892 3311 6622 13244 9823487 19646974 39293948 68764409 108058357 137528818 216116714 275057636 422409941 432233428 756408499 844819882 1512816998 1689639764 2956869587 3025633996 4646509351 5913739174 9293018702 11827478348 18586037404 32525565457 65051130914 130102261828