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2159880474 = 236741912823
BaseRepresentation
bin1000000010111101…
…0010100100011010
312120112012022000010
42000233102210122
513410412133344
6554153422350
7104344452423
oct20057224432
95515168003
102159880474
11a09218194
1250340a9b6
132856255ab
14166bd664a
15c99448b9
hex80bd291a

2159880474 has 32 divisors (see below), whose sum is σ = 4395041280. Its totient is φ = 707466672.

The previous prime is 2159880403. The next prime is 2159880509. The reversal of 2159880474 is 4740889512.

It is a happy number.

It is a super-3 number, since 3×21598804743 (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 162027 + ... + 174849.

It is an arithmetic number, because the mean of its divisors is an integer number (137345040).

Almost surely, 22159880474 is an apocalyptic number.

2159880474 is an abundant number, since it is smaller than the sum of its proper divisors (2235160806).

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

2159880474 is a wasteful number, since it uses less digits than its factorization.

2159880474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13314.

The product of its (nonzero) digits is 645120, while the sum is 48.

The square root of 2159880474 is about 46474.5142416787. The cubic root of 2159880474 is about 1292.6369699718.

It can be divided in two parts, 21598804 and 74, that added together give a triangular number (21598878 = T6572).

The spelling of 2159880474 in words is "two billion, one hundred fifty-nine million, eight hundred eighty thousand, four hundred seventy-four".

Divisors: 1 2 3 6 67 134 201 402 419 838 1257 2514 12823 25646 28073 38469 56146 76938 84219 168438 859141 1718282 2577423 5154846 5372837 10745674 16118511 32237022 359980079 719960158 1079940237 2159880474