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2070941808 = 243133318817
BaseRepresentation
bin111101101110000…
…0001000001110000
312100022211202002110
41323130001001300
513220130114213
6541255245320
7102214500135
oct17334010160
95308752073
102070941808
11972aa1261
12499679840
13270085770
1415908458c
15c1c275c3
hex7b701070

2070941808 has 40 divisors (see below), whose sum is σ = 5761468048. Its totient is φ = 637212672.

The previous prime is 2070941771. The next prime is 2070941809. The reversal of 2070941808 is 8081490702.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2070941809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1658785 + ... + 1660032.

Almost surely, 22070941808 is an apocalyptic number.

It is an amenable number.

2070941808 is an abundant number, since it is smaller than the sum of its proper divisors (3690526240).

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

2070941808 is a wasteful number, since it uses less digits than its factorization.

2070941808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318841 (or 3318835 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 2070941808 is about 45507.6016507133. The cubic root of 2070941808 is about 1274.6451521542.

The spelling of 2070941808 in words is "two billion, seventy million, nine hundred forty-one thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 3318817 6637634 9956451 13275268 19912902 26550536 39825804 43144621 53101072 79651608 86289242 129433863 159303216 172578484 258867726 345156968 517735452 690313936 1035470904 2070941808