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2152104180 = 2235239150077
BaseRepresentation
bin1000000001000110…
…1000000011110100
312112222120012221020
42000101220003310
513401414313210
6553315021140
7104221404132
oct20021500364
95488505836
102152104180
11a048967a6
1250089a7b0
13283b31c35
14165b70752
15c8e0a770
hex804680f4

2152104180 has 48 divisors (see below), whose sum is σ = 6051144960. Its totient is φ = 571489408.

The previous prime is 2152104173. The next prime is 2152104187. The reversal of 2152104180 is 814012512.

It is an interprime number because it is at equal distance from previous prime (2152104173) and next prime (2152104187).

It is a self number, because there is not a number n which added to its sum of digits gives 2152104180.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152104187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60699 + ... + 89378.

It is an arithmetic number, because the mean of its divisors is an integer number (126065520).

Almost surely, 22152104180 is an apocalyptic number.

2152104180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152104180 is an abundant number, since it is smaller than the sum of its proper divisors (3899040780).

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

2152104180 is a wasteful number, since it uses less digits than its factorization.

2152104180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150328 (or 150326 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 2152104180 is about 46390.7768850663. The cubic root of 2152104180 is about 1291.0837956402.

Adding to 2152104180 its reverse (814012512), we get a palindrome (2966116692).

The spelling of 2152104180 in words is "two billion, one hundred fifty-two million, one hundred four thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 239 478 717 956 1195 1434 2390 2868 3585 4780 7170 14340 150077 300154 450231 600308 750385 900462 1500770 1800924 2251155 3001540 4502310 9004620 35868403 71736806 107605209 143473612 179342015 215210418 358684030 430420836 538026045 717368060 1076052090 2152104180