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210020031130 = 25713613783463
BaseRepresentation
bin1100001110011000101…
…0110101101010011010
3202002002122202000011111
43003212022311222122
511420110111444010
6240252030050534
721113330544520
oct3034612655232
9662078660144
10210020031130
1181083917968
1234853349a4a
1316a60200c90
14a244b7a310
1556e2e8c58a
hex30e62b5a9a

210020031130 has 64 divisors (see below), whose sum is σ = 472902732288. Its totient is φ = 65378223360.

The previous prime is 210020031127. The next prime is 210020031209. The reversal of 210020031130 is 31130020012.

210020031130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 210020031130.

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 31 ways as a sum of consecutive naturals, for example, 1836222 + ... + 1947241.

It is an arithmetic number, because the mean of its divisors is an integer number (7389105192).

Almost surely, 2210020031130 is an apocalyptic number.

210020031130 is an abundant number, since it is smaller than the sum of its proper divisors (262882701158).

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

210020031130 is a wasteful number, since it uses less digits than its factorization.

210020031130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783551.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 210020031130 its reverse (31130020012), we get a palindrome (241150051142).

The spelling of 210020031130 in words is "two hundred ten billion, twenty million, thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 61 65 70 91 122 130 182 305 427 455 610 793 854 910 1586 2135 3965 4270 5551 7930 11102 27755 55510 3783463 7566926 18917315 26484241 37834630 49185019 52968482 98370038 132421205 230791243 245925095 264842410 344295133 461582486 491850190 688590266 1153956215 1615538701 1721475665 2307912430 3000286159 3231077402 3442951330 6000572318 8077693505 15001430795 16155387010 21002003113 30002861590 42004006226 105010015565 210020031130