Search a number
-
+
730511972490 = 23581130025153
BaseRepresentation
bin10101010000101011110…
…10000001100010001010
32120211120122011012100010
422220111322001202022
543432042031104430
61315331554452350
7103530524212356
oct12502572014212
92524518135303
10730511972490
11261898a67193
12b96b2b940b6
1353b6b919731
14274dd740466
1514007b11cb0
hexaa15e8188a

730511972490 has 32 divisors (see below), whose sum is σ = 1755390603456. Its totient is φ = 194562984960.

The previous prime is 730511972459. The next prime is 730511972497. The reversal of 730511972490 is 94279115037.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (730511972497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14988247 + ... + 15036906.

It is an arithmetic number, because the mean of its divisors is an integer number (54855956358).

Almost surely, 2730511972490 is an apocalyptic number.

730511972490 is an abundant number, since it is smaller than the sum of its proper divisors (1024878630966).

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

730511972490 is a wasteful number, since it uses less digits than its factorization.

730511972490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30025974.

The product of its (nonzero) digits is 476280, while the sum is 48.

The spelling of 730511972490 in words is "seven hundred thirty billion, five hundred eleven million, nine hundred seventy-two thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 811 1622 2433 4055 4866 8110 12165 24330 30025153 60050306 90075459 150125765 180150918 300251530 450377295 900754590 24350399083 48700798166 73051197249 121751995415 146102394498 243503990830 365255986245 730511972490