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131092094820 = 22352777887611
BaseRepresentation
bin111101000010110110…
…0101001111101100100
3110112101000220102002010
41322011230221331210
54121434034013240
6140120050314220
712320404264161
oct1720554517544
9415330812063
10131092094820
1150661085135
12214a6588970
13c49221829b
1464b854b068
153623b87280
hex1e85b29f64

131092094820 has 48 divisors (see below), whose sum is σ = 368383030848. Its totient is φ = 34831685760.

The previous prime is 131092094789. The next prime is 131092094851. The reversal of 131092094820 is 28490290131.

It is an interprime number because it is at equal distance from previous prime (131092094789) and next prime (131092094851).

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, 3927186 + ... + 3960425.

It is an arithmetic number, because the mean of its divisors is an integer number (7674646476).

Almost surely, 2131092094820 is an apocalyptic number.

131092094820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131092094820 is an abundant number, since it is smaller than the sum of its proper divisors (237290936028).

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

131092094820 is a wasteful number, since it uses less digits than its factorization.

131092094820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7887900 (or 7887898 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 131092094820 in words is "one hundred thirty-one billion, ninety-two million, ninety-four thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 277 554 831 1108 1385 1662 2770 3324 4155 5540 8310 16620 7887611 15775222 23662833 31550444 39438055 47325666 78876110 94651332 118314165 157752220 236628330 473256660 2184868247 4369736494 6554604741 8739472988 10924341235 13109209482 21848682470 26218418964 32773023705 43697364940 65546047410 131092094820