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49689585575 = 5272479292
BaseRepresentation
bin101110010001101110…
…101110011110100111
311202020221201111002022
4232101232232132213
51303231013214300
634454352133355
73406232336300
oct562156563647
9152227644068
1049689585575
111a089526103
129768b3725b
1348bb666856
1425954097a7
15145c4ca285
hexb91bae7a7

49689585575 has 54 divisors (see below), whose sum is σ = 73278564336. Its totient is φ = 33312007680.

The previous prime is 49689585563. The next prime is 49689585577. The reversal of 49689585575 is 57558598694.

It is a de Polignac number, because none of the positive numbers 2k-49689585575 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49689585499 and 49689585508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49689585577) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 53486711 + ... + 53487639.

Almost surely, 249689585575 is an apocalyptic number.

49689585575 is a deficient number, since it is larger than the sum of its proper divisors (23588978761).

49689585575 is an frugal number, since it uses more digits than its factorization.

49689585575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929 (or 988 counting only the distinct ones).

The product of its digits is 544320000, while the sum is 71.

The spelling of 49689585575 in words is "forty-nine billion, six hundred eighty-nine million, five hundred eighty-five thousand, five hundred seventy-five".

Divisors: 1 5 7 25 35 47 49 175 235 245 329 929 1175 1225 1645 2303 4645 6503 8225 11515 23225 32515 43663 45521 57575 162575 218315 227605 305641 863041 1091575 1138025 1528205 2139487 4315205 6041287 7641025 10697435 21576025 30206435 40562927 42289009 53487175 151032175 202814635 211445045 283940489 1014073175 1057225225 1419702445 1987583423 7098512225 9937917115 49689585575