Search a number
-
+
2025149994 = 232718188799
BaseRepresentation
bin111100010110101…
…0101011000101010
312020010200021112100
41320231111120222
513121414244434
6532541554230
7101120330250
oct17055253052
95203607470
102025149994
1194a16518a
12486275976
1326374190a
14152d645d0
15bcbce699
hex78b5562a

2025149994 has 48 divisors (see below), whose sum is σ = 5042419200. Its totient is φ = 575411040.

The previous prime is 2025149993. The next prime is 2025150019. The reversal of 2025149994 is 4999415202.

2025149994 is a `hidden beast` number, since 20 + 2 + 51 + 499 + 94 = 666.

It is not an unprimeable number, because it can be changed into a prime (2025149993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21594 + ... + 67205.

It is an arithmetic number, because the mean of its divisors is an integer number (105050400).

Almost surely, 22025149994 is an apocalyptic number.

2025149994 is an abundant number, since it is smaller than the sum of its proper divisors (3017269206).

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

2025149994 is a wasteful number, since it uses less digits than its factorization.

2025149994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88995 (or 88992 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 2025149994 is about 45001.6665691394. Note that the first 3 decimals coincide. The cubic root of 2025149994 is about 1265.1802341787.

The spelling of 2025149994 in words is "two billion, twenty-five million, one hundred forty-nine thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 181 362 543 1086 1267 1629 2534 3258 3801 7602 11403 22806 88799 177598 266397 532794 621593 799191 1243186 1598382 1864779 3729558 5594337 11188674 16072619 32145238 48217857 96435714 112508333 144653571 225016666 289307142 337524999 675049998 1012574997 2025149994