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2820307860072 = 233253959725939
BaseRepresentation
bin101001000010100111011…
…100101011101001101000
3100222121201002210202211100
4221002213130223221220
5332201442303010242
65555344225201400
7410521600161153
oct51024734535150
910877632722740
102820307860072
119980a429740a
12396717490260
13175c52908ca1
149a709d58c9a
154d56909d54c
hex290a772ba68

2820307860072 has 48 divisors (see below), whose sum is σ = 7638485868000. Its totient is φ = 940083902496.

The previous prime is 2820307860053. The next prime is 2820307860091. The reversal of 2820307860072 is 2700687030282.

2820307860072 is a `hidden beast` number, since 2 + 8 + 2 + 0 + 30 + 7 + 8 + 600 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (2820307860053) and next prime (2820307860091).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3522079 + ... + 4248017.

It is an arithmetic number, because the mean of its divisors is an integer number (159135122250).

Almost surely, 22820307860072 is an apocalyptic number.

It is an amenable number.

2820307860072 is an abundant number, since it is smaller than the sum of its proper divisors (4818178007928).

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

2820307860072 is a wasteful number, since it uses less digits than its factorization.

2820307860072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779910 (or 779903 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 2820307860072 in words is "two trillion, eight hundred twenty billion, three hundred seven million, eight hundred sixty thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 53959 107918 161877 215836 323754 431672 485631 647508 725939 971262 1295016 1451878 1942524 2177817 2903756 3885048 4355634 5807512 6533451 8711268 13066902 17422536 26133804 52267608 39170942501 78341885002 117512827503 156683770004 235025655006 313367540008 352538482509 470051310012 705076965018 940102620024 1410153930036 2820307860072