Search a number
-
+
212430123033042 = 2389629711631733
BaseRepresentation
bin110000010011010000111110…
…000001011110000111010010
31000212011010021112002011100010
4300103100332001132013102
5210320423342444024132
62031445015024535350
762513366323643025
oct6023207601360722
91025133245064303
10212430123033042
1161761122457082
121b9aa46a481556
13916c0c7ccb4b5
143a6595c2b91bc
151985bdd1d66cc
hexc1343e05e1d2

212430123033042 has 32 divisors (see below), whose sum is σ = 429635319056640. Its totient is φ = 70014200558720.

The previous prime is 212430123033017. The next prime is 212430123033061. The reversal of 212430123033042 is 240330321034212.

It is a happy number.

It is a super-2 number, since 2×2124301230330422 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335949808 + ... + 336581540.

It is an arithmetic number, because the mean of its divisors is an integer number (13426103720520).

Almost surely, 2212430123033042 is an apocalyptic number.

212430123033042 is an abundant number, since it is smaller than the sum of its proper divisors (217205196023598).

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

212430123033042 is a wasteful number, since it uses less digits than its factorization.

212430123033042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261538.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 212430123033042 its reverse (240330321034212), we get a palindrome (452760444067254).

The spelling of 212430123033042 in words is "two hundred twelve trillion, four hundred thirty billion, one hundred twenty-three million, thirty-three thousand, forty-two".

Divisors: 1 2 3 6 89 178 267 534 629711 631733 1259422 1263466 1889133 1895199 3778266 3790398 56044279 56224237 112088558 112448474 168132837 168672711 336265674 337345422 397809219163 795618438326 1193427657489 2386855314978 35405020505507 70810041011014 106215061516521 212430123033042