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47861164452 = 2233988430371
BaseRepresentation
bin101100100100101111…
…110110100110100100
311120112112020001211110
4230210233312212210
51241004424230302
633553114505020
73313021120413
oct544457664644
9146475201743
1047861164452
111933041a272
129338735170
13468990536a
14246065547a
1513a1c0ab6c
hexb24bf69a4

47861164452 has 12 divisors (see below), whose sum is σ = 111676050416. Its totient is φ = 15953721480.

The previous prime is 47861164441. The next prime is 47861164457. The reversal of 47861164452 is 25446116874.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×478611644523 (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (47861164457) 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 3 ways as a sum of consecutive naturals, for example, 1994215174 + ... + 1994215197.

Almost surely, 247861164452 is an apocalyptic number.

It is an amenable number.

47861164452 is an abundant number, since it is smaller than the sum of its proper divisors (63814885964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47861164452 is a wasteful number, since it uses less digits than its factorization.

47861164452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3988430378 (or 3988430376 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The spelling of 47861164452 in words is "forty-seven billion, eight hundred sixty-one million, one hundred sixty-four thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 3988430371 7976860742 11965291113 15953721484 23930582226 47861164452