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2159182059 = 31937880387
BaseRepresentation
bin1000000010110010…
…1000000011101011
312120110212210221220
42000230220003223
513410222311214
6554130433123
7104335513266
oct20054500353
95513783856
102159182059
11a08890491
125031327a3
1328543c728
14166a93cdd
15c98579a9
hex80b280eb

2159182059 has 8 divisors (see below), whose sum is σ = 3030431040. Its totient is φ = 1363693896.

The previous prime is 2159182043. The next prime is 2159182079. The reversal of 2159182059 is 9502819512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2159182059 - 24 = 2159182043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2159182059.

It is not an unprimeable number, because it can be changed into a prime (2159182009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18940137 + ... + 18940250.

It is an arithmetic number, because the mean of its divisors is an integer number (378803880).

Almost surely, 22159182059 is an apocalyptic number.

2159182059 is a deficient number, since it is larger than the sum of its proper divisors (871248981).

2159182059 is a wasteful number, since it uses less digits than its factorization.

2159182059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37880409.

The product of its (nonzero) digits is 64800, while the sum is 42.

The square root of 2159182059 is about 46466.9996771903. Note that the first 3 decimals coincide. The cubic root of 2159182059 is about 1292.4976267093.

The spelling of 2159182059 in words is "two billion, one hundred fifty-nine million, one hundred eighty-two thousand, fifty-nine".

Divisors: 1 3 19 57 37880387 113641161 719727353 2159182059