Search a number
-
+
438073413822 = 232117131161859
BaseRepresentation
bin1100101111111110011…
…01011101000010111110
31112212202002102012002200
412113333031131002332
524134133243220242
6533125333332330
743435603402332
oct6277715350276
91485662365080
10438073413822
11159871026760
1270a99a970a6
133240550bb85
14172ba9457c2
15b5de1c004c
hex65ff35d0be

438073413822 has 48 divisors (see below), whose sum is σ = 1050030034560. Its totient is φ = 130879803600.

The previous prime is 438073413809. The next prime is 438073413847. The reversal of 438073413822 is 228314370834.

It is a super-2 number, since 2×4380734138222 (a number of 24 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 23 ways as a sum of consecutive naturals, for example, 15566872 + ... + 15594987.

It is an arithmetic number, because the mean of its divisors is an integer number (21875625720).

Almost surely, 2438073413822 is an apocalyptic number.

438073413822 is an abundant number, since it is smaller than the sum of its proper divisors (611956620738).

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

438073413822 is a wasteful number, since it uses less digits than its factorization.

438073413822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31161949 (or 31161946 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 438073413822 in words is "four hundred thirty-eight billion, seventy-three million, four hundred thirteen thousand, eight hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 71 99 142 198 213 426 639 781 1278 1562 2343 4686 7029 14058 31161859 62323718 93485577 186971154 280456731 342780449 560913462 685560898 1028341347 2056682694 2212491989 3085024041 4424983978 6170048082 6637475967 13274951934 19912427901 24337411879 39824855802 48674823758 73012235637 146024471274 219036706911 438073413822