Search a number
-
+
18053456487230 = 252917618904919
BaseRepresentation
bin1000001101011011001011…
…10111000110001100111110
32100220220010102102120102002
410012231211313012030332
54331241434330042410
6102221350551102302
73542214324120533
oct406554567061476
970826112376362
1018053456487230
11583047859731a
122036a6a071992
13a0c5839322c8
14465b131b0d8a
15214929e127a5
hex106b65dc633e

18053456487230 has 16 divisors (see below), whose sum is σ = 32507362018080. Its totient is φ = 7218906963552.

The previous prime is 18053456487217. The next prime is 18053456487247. The reversal of 18053456487230 is 3278465435081.

It is a super-2 number, since 2×180534564872302 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309423290 + ... + 309481629.

It is an arithmetic number, because the mean of its divisors is an integer number (2031710126130).

Almost surely, 218053456487230 is an apocalyptic number.

18053456487230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18053456487230 is a deficient number, since it is larger than the sum of its proper divisors (14453905530850).

18053456487230 is a wasteful number, since it uses less digits than its factorization.

18053456487230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618907843.

The product of its (nonzero) digits is 19353600, while the sum is 56.

The spelling of 18053456487230 in words is "eighteen trillion, fifty-three billion, four hundred fifty-six million, four hundred eighty-seven thousand, two hundred thirty".

Divisors: 1 2 5 10 2917 5834 14585 29170 618904919 1237809838 3094524595 6189049190 1805345648723 3610691297446 9026728243615 18053456487230