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2112000018 = 232718831471
BaseRepresentation
bin111110111100010…
…1001000000010010
312110012002201100220
41331320221000102
513311133000033
6545323253510
7103223463312
oct17570510022
95405081326
102112000018
11994194967
124ab37a296
1327872cb6b
141606d1442
15c5637bb3
hex7de29012

2112000018 has 32 divisors (see below), whose sum is σ = 4247273472. Its totient is φ = 700131600.

The previous prime is 2112000017. The next prime is 2112000019. The reversal of 2112000018 is 8100002112.

It is an interprime number because it is at equal distance from previous prime (2112000017) and next prime (2112000019).

It is a junction number, because it is equal to n+sod(n) for n = 2111999970 and 2112000006.

It is not an unprimeable number, because it can be changed into a prime (2112000017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1435023 + ... + 1436493.

It is an arithmetic number, because the mean of its divisors is an integer number (132727296).

Almost surely, 22112000018 is an apocalyptic number.

2112000018 is an abundant number, since it is smaller than the sum of its proper divisors (2135273454).

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

2112000018 is a wasteful number, since it uses less digits than its factorization.

2112000018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 2112000018 is about 45956.5013681416. The cubic root of 2112000018 is about 1283.0137356433.

The spelling of 2112000018 in words is "two billion, one hundred twelve million, eighteen", and thus it is an aban number.

Divisors: 1 2 3 6 271 542 813 883 1471 1626 1766 2649 2942 4413 5298 8826 239293 398641 478586 717879 797282 1195923 1298893 1435758 2391846 2597786 3896679 7793358 352000003 704000006 1056000009 2112000018