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46991219869 = 11345137823
BaseRepresentation
bin101011110000111001…
…010001110010011101
311111021220021022012201
4223300321101302131
51232214223013434
633330520531501
73252325531006
oct536071216235
9144256238181
1046991219869
1118a24356000
129135320b91
13457b602c59
1423bacc01ad
151350669614
hexaf0e51c9d

46991219869 has 16 divisors (see below), whose sum is σ = 51704872704. Its totient is φ = 42704365440.

The previous prime is 46991219809. The next prime is 46991219921. The reversal of 46991219869 is 96891219964.

It is not a de Polignac number, because 46991219869 - 213 = 46991211677 is a prime.

It is a super-3 number, since 3×469912198693 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 46991219869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46991219809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6002892 + ... + 6010714.

It is an arithmetic number, because the mean of its divisors is an integer number (3231554544).

Almost surely, 246991219869 is an apocalyptic number.

It is an amenable number.

46991219869 is a deficient number, since it is larger than the sum of its proper divisors (4713652835).

46991219869 is an equidigital number, since it uses as much as digits as its factorization.

46991219869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12369 (or 12347 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 64.

The spelling of 46991219869 in words is "forty-six billion, nine hundred ninety-one million, two hundred nineteen thousand, eight hundred sixty-nine".

Divisors: 1 11 121 1331 4513 7823 49643 86053 546073 946583 6006803 10412413 35305199 388357189 4271929079 46991219869