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49689759744 = 21238432
BaseRepresentation
bin101110010001101111…
…011001000000000000
311202020222001100000000
4232101233121000000
51303231034302434
634454400000000
73406233663132
oct562157310000
9152228040000
1049689759744
111a089634a49
129769000000
1348bb6c7c01
142595453052
15145c511b99
hexb91bd9000

49689759744 has 351 divisors, whose sum is σ = 152590245483. Its totient is φ = 16178061312.

The previous prime is 49689759683. The next prime is 49689759767. The reversal of 49689759744 is 44795798694.

The square root of 49689759744 is 222912.

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

49689759744 is a `hidden beast` number, since 496 + 8 + 9 + 7 + 5 + 97 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

Its product of digits (548674560) is a multiple of the sum of its prime divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1155575787 + ... + 1155575829.

Almost surely, 249689759744 is an apocalyptic number.

49689759744 is the 222912-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49689759744

49689759744 is an abundant number, since it is smaller than the sum of its proper divisors (102900485739).

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

49689759744 is an frugal number, since it uses more digits than its factorization.

49689759744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 48 counting only the distinct ones).

The product of its digits is 548674560, while the sum is 72.

The spelling of 49689759744 in words is "forty-nine billion, six hundred eighty-nine million, seven hundred fifty-nine thousand, seven hundred forty-four".