Search a number
-
+
38063450864 = 2413917114861
BaseRepresentation
bin100011011100110000…
…100010101011110000
310122020201002122111102
4203130300202223300
51110423220411424
625252555503532
72515150664645
oct433460425360
9118221078442
1038063450864
111516290a00a
127463457ba8
133787ac2aba
141bb130bdcc
15ecb9a97ae
hex8dcc22af0

38063450864 has 20 divisors (see below), whose sum is σ = 74278501080. Its totient is φ = 18894805440.

The previous prime is 38063450863. The next prime is 38063450897. The reversal of 38063450864 is 46805436083.

It is a super-2 number, since 2×380634508642 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38063450863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8555207 + ... + 8559654.

It is an arithmetic number, because the mean of its divisors is an integer number (3713925054).

Almost surely, 238063450864 is an apocalyptic number.

It is an amenable number.

38063450864 is a deficient number, since it is larger than the sum of its proper divisors (36215050216).

38063450864 is a wasteful number, since it uses less digits than its factorization.

38063450864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17115008 (or 17115002 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 38063450864 in words is "thirty-eight billion, sixty-three million, four hundred fifty thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 16 139 278 556 1112 2224 17114861 34229722 68459444 136918888 273837776 2378965679 4757931358 9515862716 19031725432 38063450864