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49792269257 = 7144311531373
BaseRepresentation
bin101110010111110110…
…011011101111001001
311202112002221100121122
4232113312123233021
51303433310104012
634512501045025
73411620206523
oct562766335711
9152462840548
1049792269257
111a13148a955
1297973b6775
134906a09a23
1425a4cd8a13
15146650ee72
hexb97d9bbc9

49792269257 has 16 divisors (see below), whose sum is σ = 50688332928. Its totient is φ = 48902031360.

The previous prime is 49792269251. The next prime is 49792269299. The reversal of 49792269257 is 75296229794.

It is a cyclic number.

It is not a de Polignac number, because 49792269257 - 218 = 49792007113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49792269257.

It is not an unprimeable number, because it can be changed into a prime (49792269251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36264623 + ... + 36265995.

It is an arithmetic number, because the mean of its divisors is an integer number (3168020808).

Almost surely, 249792269257 is an apocalyptic number.

It is an amenable number.

49792269257 is a deficient number, since it is larger than the sum of its proper divisors (896063671).

49792269257 is a wasteful number, since it uses less digits than its factorization.

49792269257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040.

The product of its digits is 34292160, while the sum is 62.

The spelling of 49792269257 in words is "forty-nine billion, seven hundred ninety-two million, two hundred sixty-nine thousand, two hundred fifty-seven".

Divisors: 1 71 443 1153 1373 31453 81863 97483 510779 608239 1583069 36265309 43184969 112397899 701299567 49792269257