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2130608028 = 2231775113907
BaseRepresentation
bin111111011111110…
…0111111110011100
312111111010002202110
41332333213332130
513330413424103
6551230154020
7103540604133
oct17677477634
95444102673
102130608028
119a374438a
124b5652910
1327c546813
14162d7691a
15c70b1403
hex7efe7f9c

2130608028 has 48 divisors (see below), whose sum is σ = 5271243264. Its totient is φ = 667488000.

The previous prime is 2130608017. The next prime is 2130608069. The reversal of 2130608028 is 8208060312.

It is a junction number, because it is equal to n+sod(n) for n = 2130607986 and 2130608004.

It is a congruent number.

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, 146251 + ... + 160157.

It is an arithmetic number, because the mean of its divisors is an integer number (109817568).

Almost surely, 22130608028 is an apocalyptic number.

It is an amenable number.

2130608028 is an abundant number, since it is smaller than the sum of its proper divisors (3140635236).

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

2130608028 is a wasteful number, since it uses less digits than its factorization.

2130608028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14682 (or 14680 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 2130608028 is about 46158.5098113013. The cubic root of 2130608028 is about 1286.7707680931.

The spelling of 2130608028 in words is "two billion, one hundred thirty million, six hundred eight thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 751 1502 2253 3004 4506 9012 12767 13907 25534 27814 38301 41721 51068 55628 76602 83442 153204 166884 236419 472838 709257 945676 1418514 2837028 10444157 20888314 31332471 41776628 62664942 125329884 177550669 355101338 532652007 710202676 1065304014 2130608028