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48591431472 = 243318172
BaseRepresentation
bin101101010000010001…
…100110011100110000
311122102102100110212010
4231100101212130300
51244003401301342
634153403002520
73340066231653
oct552021463460
9148372313763
1048591431472
1119675661731
129501209440
134774cb111c
1424cd62b89a
1513e5dab29c
hexb50466730

48591431472 has 30 divisors (see below), whose sum is σ = 125531810068. Its totient is φ = 16196634752.

The previous prime is 48591431467. The next prime is 48591431479. The reversal of 48591431472 is 27413419584.

It is a super-2 number, since 2×485914314722 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (48591431479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1511308 + ... + 1543124.

Almost surely, 248591431472 is an apocalyptic number.

It is an amenable number.

48591431472 is an abundant number, since it is smaller than the sum of its proper divisors (76940378596).

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

48591431472 is an frugal number, since it uses more digits than its factorization.

48591431472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63645 (or 31822 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

Multiplying 48591431472 by its sum of digits (48), we get a square (2332388710656 = 15272162).

48591431472 divided by its sum of digits (48) gives a square (1012321489 = 318172).

The spelling of 48591431472 in words is "forty-eight billion, five hundred ninety-one million, four hundred thirty-one thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 31817 63634 95451 127268 190902 254536 381804 509072 763608 1527216 1012321489 2024642978 3036964467 4049285956 6073928934 8098571912 12147857868 16197143824 24295715736 48591431472