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23112405000420 = 22351916320101589
BaseRepresentation
bin1010100000101010001101…
…01100001010000011100100
310000211112011020120102211120
411100111012230022003210
511012133201140003140
6121053405310533540
74603546641020331
oct520250654120344
9100745136512746
1023112405000420
117400a090a127a
1227134098072b0
13cb864b65a4b8
1459c9098d9988
152a13178d51d0
hex150546b0a0e4

23112405000420 has 48 divisors (see below), whose sum is σ = 64718114287680. Its totient is φ = 6162986068096.

The previous prime is 23112405000257. The next prime is 23112405000439. The reversal of 23112405000420 is 2400050421132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8901015 + ... + 11200574.

It is an arithmetic number, because the mean of its divisors is an integer number (1348294047660).

Almost surely, 223112405000420 is an apocalyptic number.

23112405000420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23112405000420 is an abundant number, since it is smaller than the sum of its proper divisors (41605709287260).

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

23112405000420 is a wasteful number, since it uses less digits than its factorization.

23112405000420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20120764 (or 20120762 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 23112405000420 its reverse (2400050421132), we get a palindrome (25512455421552).

The spelling of 23112405000420 in words is "twenty-three trillion, one hundred twelve billion, four hundred five million, four hundred twenty", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 19163 38326 57489 76652 95815 114978 191630 229956 287445 383260 574890 1149780 20101589 40203178 60304767 80406356 100507945 120609534 201015890 241219068 301523835 402031780 603047670 1206095340 385206750007 770413500014 1155620250021 1540827000028 1926033750035 2311240500042 3852067500070 4622481000084 5778101250105 7704135000140 11556202500210 23112405000420