Search a number
-
+
2170217012 = 221929397459
BaseRepresentation
bin1000000101011010…
…1110001000110100
312121020122110001212
42001112232020310
513421033421022
6555203140552
7104531353205
oct20126561064
95536573055
102170217012
11a14038187
12506974758
132878043a2
141683275ac
15ca7d73e2
hex815ae234

2170217012 has 24 divisors (see below), whose sum is σ = 4011453600. Its totient is φ = 1024478496.

The previous prime is 2170216999. The next prime is 2170217039. The reversal of 2170217012 is 2107120712.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 26462 + ... + 70997.

It is an arithmetic number, because the mean of its divisors is an integer number (167143900).

Almost surely, 22170217012 is an apocalyptic number.

It is an amenable number.

2170217012 is a deficient number, since it is larger than the sum of its proper divisors (1841236588).

2170217012 is a wasteful number, since it uses less digits than its factorization.

2170217012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97775 (or 97773 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 2170217012 is about 46585.5880289173. The cubic root of 2170217012 is about 1294.6957464146.

Adding to 2170217012 its reverse (2107120712), we get a palindrome (4277337724).

The spelling of 2170217012 in words is "two billion, one hundred seventy million, two hundred seventeen thousand, twelve".

Divisors: 1 2 4 19 38 76 293 586 1172 5567 11134 22268 97459 194918 389836 1851721 3703442 7406884 28555487 57110974 114221948 542554253 1085108506 2170217012