Search a number
-
+
18077795352 = 233383693497
BaseRepresentation
bin10000110101100001…
…010100010000011000
31201122212120011012000
4100311201110100120
5244010403422402
612145501521000
71206661503501
oct206541242030
951585504160
1018077795352
117737498241
123606273160
13192139b336
14c36cbbba8
1570c123c1c
hex435854418

18077795352 has 32 divisors (see below), whose sum is σ = 50216098800. Its totient is φ = 6025931712.

The previous prime is 18077795303. The next prime is 18077795363. The reversal of 18077795352 is 25359777081.

It is a happy number.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 41846533 + ... + 41846964.

Almost surely, 218077795352 is an apocalyptic number.

18077795352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18077795352 is an abundant number, since it is smaller than the sum of its proper divisors (32138303448).

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

18077795352 is a wasteful number, since it uses less digits than its factorization.

18077795352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83693512 (or 83693502 counting only the distinct ones).

The product of its (nonzero) digits is 3704400, while the sum is 54.

The spelling of 18077795352 in words is "eighteen billion, seventy-seven million, seven hundred ninety-five thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 83693497 167386994 251080491 334773988 502160982 669547976 753241473 1004321964 1506482946 2008643928 2259724419 3012965892 4519448838 6025931784 9038897676 18077795352