Search a number
-
+
18067070384 = 2411571179779
BaseRepresentation
bin10000110100111000…
…011001110110110000
31201122010101021021222
4100310320121312300
5244000132223014
612144440004212
71206501364406
oct206470316660
951563337258
1018067070384
117731432430
123602760668
13191c0b47bc
14c356c9476
1570b20608e
hex434e19db0

18067070384 has 40 divisors (see below), whose sum is σ = 38254307520. Its totient is φ = 8197876800.

The previous prime is 18067070339. The next prime is 18067070429. The reversal of 18067070384 is 48307076081.

It is an interprime number because it is at equal distance from previous prime (18067070339) and next prime (18067070429).

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 10607 + ... + 190385.

It is an arithmetic number, because the mean of its divisors is an integer number (956357688).

Almost surely, 218067070384 is an apocalyptic number.

It is an amenable number.

18067070384 is an abundant number, since it is smaller than the sum of its proper divisors (20187237136).

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

18067070384 is a wasteful number, since it uses less digits than its factorization.

18067070384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180369 (or 180363 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 18067070384 in words is "eighteen billion, sixty-seven million, seventy thousand, three hundred eighty-four".

Divisors: 1 2 4 8 11 16 22 44 88 176 571 1142 2284 4568 6281 9136 12562 25124 50248 100496 179779 359558 719116 1438232 1977569 2876464 3955138 7910276 15820552 31641104 102653809 205307618 410615236 821230472 1129191899 1642460944 2258383798 4516767596 9033535192 18067070384