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189429430304652 = 223139199570687461
BaseRepresentation
bin101011000100100011111001…
…111001110011111110001100
3220211201021110200212010112020
4223010203321321303332030
5144312102433124222102
61510514402351410140
754620552605356516
oct5304437171637614
9824637420763466
10189429430304652
11553a362aaa026a
12192b4838b23950
138191170823215
1434ac60d160bb6
1516d7762dc3bbc
hexac48f9e73f8c

189429430304652 has 48 divisors (see below), whose sum is σ = 447418970208000. Its totient is φ = 62373856628160.

The previous prime is 189429430304603. The next prime is 189429430304659. The reversal of 189429430304652 is 256403034924981.

It is a happy number.

189429430304652 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1894294303046522 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (189429430304659) 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, 285011799 + ... + 285675662.

It is an arithmetic number, because the mean of its divisors is an integer number (9321228546000).

Almost surely, 2189429430304652 is an apocalyptic number.

189429430304652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189429430304652 is an abundant number, since it is smaller than the sum of its proper divisors (257989539903348).

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

189429430304652 is a wasteful number, since it uses less digits than its factorization.

189429430304652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570687806 (or 570687804 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 60.

The spelling of 189429430304652 in words is "one hundred eighty-nine trillion, four hundred twenty-nine billion, four hundred thirty million, three hundred four thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 139 199 278 398 417 556 597 796 834 1194 1668 2388 27661 55322 82983 110644 165966 331932 570687461 1141374922 1712062383 2282749844 3424124766 6848249532 79325557079 113566804739 158651114158 227133609478 237976671237 317302228316 340700414217 454267218956 475953342474 681400828434 951906684948 1362801656868 15785785858721 31571571717442 47357357576163 63143143434884 94714715152326 189429430304652