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23130111122000 = 245338891297371
BaseRepresentation
bin1010100001001011001100…
…00011101001101001010000
310000220012212012202121110022
411100211212003221221100
511012430431421401000
6121105454254323012
74605044500410131
oct520454603515120
9100805765677408
1023130111122000
117408474800503
12271692b4b9468
13cba210a2440c
1459d7092a7c88
152a1a0208d585
hex1509660e9a50

23130111122000 has 80 divisors (see below), whose sum is σ = 55930234860864. Its totient is φ = 9251775440000.

The previous prime is 23130111121973. The next prime is 23130111122003. The reversal of 23130111122000 is 22111103132.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 23130111122000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130111122003) 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, 77633315 + ... + 77930685.

Almost surely, 223130111122000 is an apocalyptic number.

23130111122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23130111122000 is an abundant number, since it is smaller than the sum of its proper divisors (32800123738864).

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

23130111122000 is a wasteful number, since it uses less digits than its factorization.

23130111122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336285 (or 336269 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 23130111122000 its reverse (22111103132), we get a palindrome (23152222225132).

The spelling of 23130111122000 in words is "twenty-three trillion, one hundred thirty billion, one hundred eleven million, one hundred twenty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 38891 77782 155564 194455 297371 311128 388910 594742 622256 777820 972275 1189484 1486855 1555640 1944550 2378968 2973710 3111280 3889100 4757936 4861375 5947420 7434275 7778200 9722750 11894840 14868550 15556400 19445500 23789680 29737100 37171375 38891000 59474200 74342750 77782000 118948400 148685500 297371000 594742000 11565055561 23130111122 46260222244 57825277805 92520444488 115650555610 185040888976 231301111220 289126389025 462602222440 578252778050 925204444880 1156505556100 1445631945125 2313011112200 2891263890250 4626022224400 5782527780500 11565055561000 23130111122000