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6135980220 = 2232534088779
BaseRepresentation
bin1011011011011101…
…11010000010111100
3120211121221002110200
411231232322002330
5100031302331340
62452511203500
7305024654106
oct55556720274
916747832420
106135980220
112669667837
121232b16590
1376a2c9536
14422cc8576
1525da48330
hex16dbba0bc

6135980220 has 36 divisors (see below), whose sum is σ = 18612473880. Its totient is φ = 1636261344.

The previous prime is 6135980197. The next prime is 6135980231. The reversal of 6135980220 is 220895316.

6135980220 is a `hidden beast` number, since 6 + 1 + 359 + 80 + 220 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17044210 + ... + 17044569.

Almost surely, 26135980220 is an apocalyptic number.

6135980220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6135980220 is an abundant number, since it is smaller than the sum of its proper divisors (12476493660).

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

6135980220 is a wasteful number, since it uses less digits than its factorization.

6135980220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34088794 (or 34088789 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 6135980220 is about 78332.4978537005. The cubic root of 6135980220 is about 1830.7455351627.

The spelling of 6135980220 in words is "six billion, one hundred thirty-five million, nine hundred eighty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 34088779 68177558 102266337 136355116 170443895 204532674 306799011 340887790 409065348 511331685 613598022 681775580 1022663370 1227196044 1533995055 2045326740 3067990110 6135980220