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49507697740 = 2252475384887
BaseRepresentation
bin101110000110111000…
…111000010001001100
311201210021110121212211
4232012320320101030
51302342432311430
634424333440204
73401563326124
oct560670702114
9151707417784
1049507697740
1119aa5894086
129718040064
13488ca81607
1425791bdc84
15144b54c72a
hexb86e3844c

49507697740 has 12 divisors (see below), whose sum is σ = 103966165296. Its totient is φ = 19803079088.

The previous prime is 49507697689. The next prime is 49507697749. The reversal of 49507697740 is 4779670594.

It is a super-2 number, since 2×495076977402 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49507697749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1237692424 + ... + 1237692463.

It is an arithmetic number, because the mean of its divisors is an integer number (8663847108).

Almost surely, 249507697740 is an apocalyptic number.

It is an amenable number.

49507697740 is an abundant number, since it is smaller than the sum of its proper divisors (54458467556).

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

49507697740 is a wasteful number, since it uses less digits than its factorization.

49507697740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475384896 (or 2475384894 counting only the distinct ones).

The product of its (nonzero) digits is 13335840, while the sum is 58.

The spelling of 49507697740 in words is "forty-nine billion, five hundred seven million, six hundred ninety-seven thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 2475384887 4950769774 9901539548 12376924435 24753848870 49507697740