Search a number
-
+
245530451530 = 25713269813683
BaseRepresentation
bin1110010010101011000…
…0010101111001001010
3212110202102212021021001
43210222300111321022
513010321243422110
6304443425405214
723511321255130
oct3445260257112
9773672767231
10245530451530
11951465a2341
123b70379980a
131a1cc0b7a60
14bc52d91750
1565c074363a
hex392ac15e4a

245530451530 has 32 divisors (see below), whose sum is σ = 543944386944. Its totient is φ = 77706340416.

The previous prime is 245530451503. The next prime is 245530451531. The reversal of 245530451530 is 35154035542.

It is a self number, because there is not a number n which added to its sum of digits gives 245530451530.

It is not an unprimeable number, because it can be changed into a prime (245530451531) 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, 134905932 + ... + 134907751.

It is an arithmetic number, because the mean of its divisors is an integer number (16998262092).

Almost surely, 2245530451530 is an apocalyptic number.

245530451530 is an abundant number, since it is smaller than the sum of its proper divisors (298413935414).

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

245530451530 is a wasteful number, since it uses less digits than its factorization.

245530451530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269813710.

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 245530451530 in words is "two hundred forty-five billion, five hundred thirty million, four hundred fifty-one thousand, five hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 269813683 539627366 1349068415 1888695781 2698136830 3507577879 3777391562 7015155758 9443478905 17537889395 18886957810 24553045153 35075778790 49106090306 122765225765 245530451530