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15243992984 = 2311359482527
BaseRepresentation
bin11100011001001110…
…01101111110011000
31110100101021002010202
432030213031332120
5222204430233414
611000351401332
71046521542143
oct161447157630
943311232122
1015243992984
116512922610
122b55223248
13158c2674bc
14a487b905a
155e345d9de
hex38c9cdf98

15243992984 has 32 divisors (see below), whose sum is σ = 31267814400. Its totient is φ = 6909772320.

The previous prime is 15243992921. The next prime is 15243992993. The reversal of 15243992984 is 48929934251.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209672 + ... + 272855.

It is an arithmetic number, because the mean of its divisors is an integer number (977119200).

Almost surely, 215243992984 is an apocalyptic number.

It is an amenable number.

15243992984 is an abundant number, since it is smaller than the sum of its proper divisors (16023821416).

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

15243992984 is a wasteful number, since it uses less digits than its factorization.

15243992984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482903 (or 482899 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 56.

The spelling of 15243992984 in words is "fifteen billion, two hundred forty-three million, nine hundred ninety-two thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 11 22 44 88 359 718 1436 2872 3949 7898 15796 31592 482527 965054 1930108 3860216 5307797 10615594 21231188 42462376 173227193 346454386 692908772 1385817544 1905499123 3810998246 7621996492 15243992984