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15799484416 = 2164912
BaseRepresentation
bin11101011011011100…
…10000000000000000
31111210002111222010111
432231232100000000
5224324132000131
611131433441104
71066345254532
oct165556200000
944702458114
1015799484416
116778440541
12308b270194
13164a37b361
14a9c497852
156270d8ab1
hex3adb90000

15799484416 has 51 divisors (see below), whose sum is σ = 31663214683. Its totient is φ = 7883653120.

The previous prime is 15799484413. The next prime is 15799484443. The reversal of 15799484416 is 61448499751.

It is a happy number.

The square root of 15799484416 is 125696.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×157994844162 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15799484411) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 32177931 + ... + 32178421.

Almost surely, 215799484416 is an apocalyptic number.

15799484416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

15799484416 is the 125696-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15799484416

15799484416 is an abundant number, since it is smaller than the sum of its proper divisors (15863730267).

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

15799484416 is an frugal number, since it uses more digits than its factorization.

15799484416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014 (or 493 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 58.

The spelling of 15799484416 in words is "fifteen billion, seven hundred ninety-nine million, four hundred eighty-four thousand, four hundred sixteen".

Divisors: 1 2 4 8 16 32 64 128 256 491 512 982 1024 1964 2048 3928 4096 7856 8192 15712 16384 31424 32768 62848 65536 125696 241081 251392 482162 502784 964324 1005568 1928648 2011136 3857296 4022272 7714592 8044544 15429184 16089088 30858368 32178176 61716736 123433472 246866944 493733888 987467776 1974935552 3949871104 7899742208 15799484416