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49506493904 = 2472571719931
BaseRepresentation
bin101110000110110100…
…010010010111010000
311201210012012110112022
4232012310102113100
51302342130301104
634424251551012
73401550153320
oct560664222720
9151705173468
1049506493904
1119aa514167a
12971775b468
13488c74c69a
142578d89280
15144b3b0bbe
hexb86d125d0

49506493904 has 40 divisors (see below), whose sum is σ = 110048129088. Its totient is φ = 21134499840.

The previous prime is 49506493889. The next prime is 49506493909. The reversal of 49506493904 is 40939460594.

It is a super-2 number, since 2×495064939042 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49506493909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 831182 + ... + 888749.

Almost surely, 249506493904 is an apocalyptic number.

It is an amenable number.

49506493904 is an abundant number, since it is smaller than the sum of its proper divisors (60541635184).

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

49506493904 is a wasteful number, since it uses less digits than its factorization.

49506493904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720203 (or 1720197 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 53.

The spelling of 49506493904 in words is "forty-nine billion, five hundred six million, four hundred ninety-three thousand, nine hundred four".

Divisors: 1 2 4 7 8 14 16 28 56 112 257 514 1028 1799 2056 3598 4112 7196 14392 28784 1719931 3439862 6879724 12039517 13759448 24079034 27518896 48158068 96316136 192632272 442022267 884044534 1768089068 3094155869 3536178136 6188311738 7072356272 12376623476 24753246952 49506493904