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34871008997 = 1121915167903
BaseRepresentation
bin100000011110011110…
…010101111011100101
310100000012221210112202
4200132132111323211
51032403434241442
624004114424245
72343064454156
oct403636257345
9110005853482
1034871008997
1113874859200
126912292085
13339959c546
14198b32d92d
15d915a0c32
hex81e795ee5

34871008997 has 12 divisors (see below), whose sum is σ = 40346624640. Its totient is φ = 30032445960.

The previous prime is 34871008981. The next prime is 34871009003. The reversal of 34871008997 is 79980017843.

It is not a de Polignac number, because 34871008997 - 24 = 34871008981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34871008927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7581653 + ... + 7586250.

It is an arithmetic number, because the mean of its divisors is an integer number (3362218720).

Almost surely, 234871008997 is an apocalyptic number.

It is an amenable number.

34871008997 is a deficient number, since it is larger than the sum of its proper divisors (5475615643).

34871008997 is a wasteful number, since it uses less digits than its factorization.

34871008997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15167944 (or 15167933 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 56.

The spelling of 34871008997 in words is "thirty-four billion, eight hundred seventy-one million, eight thousand, nine hundred ninety-seven".

Divisors: 1 11 19 121 209 2299 15167903 166846933 288190157 1835316263 3170091727 34871008997