Search a number
-
+
18067982424 = 2331209762233
BaseRepresentation
bin10000110100111011…
…111000100001011000
31201122012002121101020
4100310323320201120
5244000400414144
612144511322440
71206512213412
oct206473704130
951565077336
1018067982424
1177319a5688
123602b20420
13191c34397b
14c358859b2
1570b336419
hex434ef8858

18067982424 has 32 divisors (see below), whose sum is σ = 45174415920. Its totient is φ = 6022066176.

The previous prime is 18067982407. The next prime is 18067982461. The reversal of 18067982424 is 42428976081.

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, 259212 + ... + 321444.

Almost surely, 218067982424 is an apocalyptic number.

It is an amenable number.

18067982424 is an abundant number, since it is smaller than the sum of its proper divisors (27106433496).

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

18067982424 is a wasteful number, since it uses less digits than its factorization.

18067982424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74339 (or 74335 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 18067982424 in words is "eighteen billion, sixty-seven million, nine hundred eighty-two thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 12097 24194 36291 48388 62233 72582 96776 124466 145164 186699 248932 290328 373398 497864 746796 1493592 752832601 1505665202 2258497803 3011330404 4516995606 6022660808 9033991212 18067982424