Search a number
-
+
162840332109 = 371323137109367
BaseRepresentation
bin1001011110101000001…
…0100100011101001101
3120120022121210222011110
42113222002210131031
510131444111111414
6202450253242233
714523222661560
oct2275202443515
9516277728143
10162840332109
1163073138774
1227686a93379
1312481848900
147c4ac364d7
154380ee2459
hex25ea0a474d

162840332109 has 192 divisors, whose sum is σ = 288253870080. Its totient is φ = 79916129280.

The previous prime is 162840332107. The next prime is 162840332129. The reversal of 162840332109 is 901233048261.

It is not a de Polignac number, because 162840332109 - 21 = 162840332107 is a prime.

It is a super-2 number, since 2×1628403321092 (a number of 23 digits) contains 22 as substring.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162840332107) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 443706444 + ... + 443706810.

It is an arithmetic number, because the mean of its divisors is an integer number (1501322240).

Almost surely, 2162840332109 is an apocalyptic number.

It is an amenable number.

162840332109 is a deficient number, since it is larger than the sum of its proper divisors (125413537971).

162840332109 is a wasteful number, since it uses less digits than its factorization.

162840332109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 162840332109 in words is "one hundred sixty-two billion, eight hundred forty million, three hundred thirty-two thousand, one hundred nine".