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2215000030 = 252775091571
BaseRepresentation
bin1000010000000110…
…0011011111011110
312201100220122211011
42010001203133132
514014020000110
61003443045434
7105614122015
oct20401433736
95640818734
102215000030
11a37345341
1251997087a
13293b84009
14170263a7c
15ce6d148a
hex840637de

2215000030 has 32 divisors (see below), whose sum is σ = 4011806880. Its totient is φ = 880506240.

The previous prime is 2214999959. The next prime is 2215000061. The reversal of 2215000030 is 300005122.

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, 1409145 + ... + 1410715.

It is an arithmetic number, because the mean of its divisors is an integer number (125368965).

Almost surely, 22215000030 is an apocalyptic number.

2215000030 is a deficient number, since it is larger than the sum of its proper divisors (1796806850).

2215000030 is a wasteful number, since it uses less digits than its factorization.

2215000030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 2215000030 is about 47063.7868217168. The cubic root of 2215000030 is about 1303.5406497890.

Adding to 2215000030 its reverse (300005122), we get a palindrome (2515005152).

The spelling of 2215000030 in words is "two billion, two hundred fifteen million, thirty", and thus it is an aban number.

Divisors: 1 2 5 10 277 509 554 1018 1385 1571 2545 2770 3142 5090 7855 15710 140993 281986 435167 704965 799639 870334 1409930 1599278 2175835 3998195 4351670 7996390 221500003 443000006 1107500015 2215000030