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130555032421 = 1159919814089
BaseRepresentation
bin111100110010110101…
…1111011001101100101
3110110222121022210222011
41321211223323031211
54114334042014141
6135550503234221
712301163315452
oct1714553731545
9413877283864
10130555032421
1150405a04210
1221376748971
13c407b87798
1464670a8829
1535e194c881
hex1e65afb365

130555032421 has 8 divisors (see below), whose sum is σ = 142661448000. Its totient is φ = 118488246240.

The previous prime is 130555032407. The next prime is 130555032427. The reversal of 130555032421 is 124230555031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130555032421 is a prime.

It is a super-2 number, since 2×1305550324212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130555032427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9900456 + ... + 9913633.

It is an arithmetic number, because the mean of its divisors is an integer number (17832681000).

Almost surely, 2130555032421 is an apocalyptic number.

130555032421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

130555032421 is a deficient number, since it is larger than the sum of its proper divisors (12106415579).

130555032421 is a wasteful number, since it uses less digits than its factorization.

130555032421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19814699.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 130555032421 its reverse (124230555031), we get a palindrome (254785587452).

The spelling of 130555032421 in words is "one hundred thirty billion, five hundred fifty-five million, thirty-two thousand, four hundred twenty-one".

Divisors: 1 11 599 6589 19814089 217954979 11868639311 130555032421