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130977093 = 31315721391
BaseRepresentation
bin1111100111010…
…00110101000101
3100010110022210110
413303220311011
5232012231333
620555143233
73150200262
oct763506505
9303408713
10130977093
1167a2a035
1237a44b19
132119b450
1413576269
15b773063
hex7ce8d45

130977093 has 16 divisors (see below), whose sum is σ = 189276416. Its totient is φ = 80084160.

The previous prime is 130977073. The next prime is 130977101. The reversal of 130977093 is 390779031.

It is a de Polignac number, because none of the positive numbers 2k-130977093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130977073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4573 + ... + 16818.

It is an arithmetic number, because the mean of its divisors is an integer number (11829776).

Almost surely, 2130977093 is an apocalyptic number.

130977093 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

130977093 is a deficient number, since it is larger than the sum of its proper divisors (58299323).

130977093 is a wasteful number, since it uses less digits than its factorization.

130977093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21564.

The product of its (nonzero) digits is 35721, while the sum is 39.

The square root of 130977093 is about 11444.5224015684. The cubic root of 130977093 is about 507.8457032895.

The spelling of 130977093 in words is "one hundred thirty million, nine hundred seventy-seven thousand, ninety-three".

Divisors: 1 3 13 39 157 471 2041 6123 21391 64173 278083 834249 3358387 10075161 43659031 130977093