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16974142047 = 322976818467
BaseRepresentation
bin11111100111011110…
…01101101001011111
31121210221211202110200
433303233031221133
5234230340021142
611444154434543
71140430553412
oct176357155137
947727752420
1016974142047
117220508175
123358732a53
1317a683b845
14b704abb79
156952ba64c
hex3f3bcda5f

16974142047 has 24 divisors (see below), whose sum is σ = 25369958640. Its totient is φ = 10923171840.

The previous prime is 16974142013. The next prime is 16974142049. The reversal of 16974142047 is 74024147961.

It is not a de Polignac number, because 16974142047 - 215 = 16974109279 is a prime.

It is a super-3 number, since 3×169741420473 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16974141993 and 16974142011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16974142049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2000508 + ... + 2008974.

It is an arithmetic number, because the mean of its divisors is an integer number (1057081610).

Almost surely, 216974142047 is an apocalyptic number.

16974142047 is a deficient number, since it is larger than the sum of its proper divisors (8395816593).

16974142047 is a wasteful number, since it uses less digits than its factorization.

16974142047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16183 (or 16180 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 16974142047 in words is "sixteen billion, nine hundred seventy-four million, one hundred forty-two thousand, forty-seven".

Divisors: 1 3 9 29 87 261 7681 8467 23043 25401 69129 76203 222749 245543 668247 736629 2004741 2209887 65035027 195105081 585315243 1886015783 5658047349 16974142047