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130773621 = 31143157587
BaseRepresentation
bin1111100101101…
…11001001110101
3100010001222200110
413302313021311
5231434223441
620550533233
73145362126
oct762671165
9303058613
10130773621
1167900180
1237967219
1321129954
141352204d
15b732b16
hex7cb7275

130773621 has 32 divisors (see below), whose sum is σ = 196213248. Its totient is φ = 76789440.

The previous prime is 130773619. The next prime is 130773647. The reversal of 130773621 is 126377031.

It is not a de Polignac number, because 130773621 - 21 = 130773619 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130773611) 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 31 ways as a sum of consecutive naturals, for example, 222490 + ... + 223076.

It is an arithmetic number, because the mean of its divisors is an integer number (6131664).

Almost surely, 2130773621 is an apocalyptic number.

130773621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

130773621 is a deficient number, since it is larger than the sum of its proper divisors (65439627).

130773621 is a wasteful number, since it uses less digits than its factorization.

130773621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 130773621 is about 11435.6294535981. The cubic root of 130773621 is about 507.5825887414.

The spelling of 130773621 in words is "one hundred thirty million, seven hundred seventy-three thousand, six hundred twenty-one".

Divisors: 1 3 11 33 43 129 157 471 473 587 1419 1727 1761 5181 6457 6751 19371 20253 25241 74261 75723 92159 222783 276477 277651 832953 1013749 3041247 3962837 11888511 43591207 130773621