Search a number
-
+
13015291530 = 2354331001947
BaseRepresentation
bin11000001111100010…
…11001011010001010
31020121001120022111110
430013301121122022
5203123403312110
65551254511150
7640350103233
oct140761313212
936531508443
1013015291530
11557987a18a
1226329654b6
1312c55c6c47
148b67ca08a
15512972a20
hex307c5968a

13015291530 has 32 divisors (see below), whose sum is σ = 31308871104. Its totient is φ = 3462725376.

The previous prime is 13015291469. The next prime is 13015291607. The reversal of 13015291530 is 3519251031.

It is a super-2 number, since 2×130152915302 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487984 + ... + 513963.

It is an arithmetic number, because the mean of its divisors is an integer number (978402222).

Almost surely, 213015291530 is an apocalyptic number.

13015291530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13015291530 is an abundant number, since it is smaller than the sum of its proper divisors (18293579574).

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

13015291530 is a wasteful number, since it uses less digits than its factorization.

13015291530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002390.

The product of its (nonzero) digits is 4050, while the sum is 30.

The spelling of 13015291530 in words is "thirteen billion, fifteen million, two hundred ninety-one thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 433 866 1299 2165 2598 4330 6495 12990 1001947 2003894 3005841 5009735 6011682 10019470 15029205 30058410 433843051 867686102 1301529153 2169215255 2603058306 4338430510 6507645765 13015291530