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2101112008 = 2317231374903
BaseRepresentation
bin111110100111100…
…0110110011001000
312102102121112211021
41331033012303020
513300341041013
6544254042224
7103032104662
oct17517066310
95372545737
102101112008
11989028606
124a77a9374
132763ba058
1415d099532
15c46d6a8d
hex7d3c6cc8

2101112008 has 64 divisors (see below), whose sum is σ = 4385352960. Its totient is φ = 938674176.

The previous prime is 2101111993. The next prime is 2101112023. The reversal of 2101112008 is 8002111012.

It is an interprime number because it is at equal distance from previous prime (2101111993) and next prime (2101112023).

It is a junction number, because it is equal to n+sod(n) for n = 2101111982 and 2101112000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426085 + ... + 430987.

It is an arithmetic number, because the mean of its divisors is an integer number (68521140).

Almost surely, 22101112008 is an apocalyptic number.

It is an amenable number.

2101112008 is an abundant number, since it is smaller than the sum of its proper divisors (2284240952).

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

2101112008 is a wasteful number, since it uses less digits than its factorization.

2101112008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5086 (or 5082 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 2101112008 is about 45837.8883457779. Note that the first 3 decimals coincide. The cubic root of 2101112008 is about 1280.8051591142.

The spelling of 2101112008 in words is "two billion, one hundred one million, one hundred twelve thousand, eight".

Divisors: 1 2 4 8 17 23 34 46 68 92 136 137 184 274 391 548 782 1096 1564 2329 3128 3151 4658 4903 6302 9316 9806 12604 18632 19612 25208 39224 53567 83351 107134 112769 166702 214268 225538 333404 428536 451076 666808 671711 902152 1343422 1917073 2686844 3834146 5373688 7668292 11419087 15336584 15449353 22838174 30898706 45676348 61797412 91352696 123594824 262639001 525278002 1050556004 2101112008