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49795661553 = 31123110394259
BaseRepresentation
bin101110011000000011…
…010111111011110001
311202112100022200222020
4232120003113323301
51303440142132203
634513101502053
73411661065561
oct563003277361
9152470280866
1049795661553
111a133397600
129798571929
134907626ac1
1425a553cda1
151466980153
hexb980d7ef1

49795661553 has 48 divisors (see below), whose sum is σ = 75423129600. Its totient is φ = 29170706400.

The previous prime is 49795661527. The next prime is 49795661557. The reversal of 49795661553 is 35516659794.

It is not a de Polignac number, because 49795661553 - 222 = 49791467249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49795661557) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11689738 + ... + 11693996.

It is an arithmetic number, because the mean of its divisors is an integer number (1571315200).

Almost surely, 249795661553 is an apocalyptic number.

It is an amenable number.

49795661553 is a deficient number, since it is larger than the sum of its proper divisors (25627468047).

49795661553 is a wasteful number, since it uses less digits than its factorization.

49795661553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354 (or 5343 counting only the distinct ones).

The product of its digits is 30618000, while the sum is 60.

The spelling of 49795661553 in words is "forty-nine billion, seven hundred ninety-five million, six hundred sixty-one thousand, five hundred fifty-three".

Divisors: 1 3 11 31 33 93 121 341 363 1023 1039 3117 3751 4259 11253 11429 12777 32209 34287 46849 96627 125719 132029 140547 354299 377157 396087 515339 1062897 1452319 1546017 3897289 4356957 4425101 11691867 13275303 15975509 47926527 48676111 137178131 146028333 411534393 535437221 1508959441 1606311663 4526878323 16598553851 49795661553