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2944886868 = 22357311273
BaseRepresentation
bin1010111110000111…
…0110100001010100
321121020022202100000
42233201312201110
522012342334433
61204115051300
7132656061000
oct25741664124
97536282300
102944886868
111281348100
126a22a0b30
1337c158a11
141dd17b700
15123809113
hexaf876854

2944886868 has 432 divisors, whose sum is σ = 10030966400. Its totient is φ = 754427520.

The previous prime is 2944886827. The next prime is 2944886891. The reversal of 2944886868 is 8686884492.

2944886868 is a `hidden beast` number, since 2 + 94 + 488 + 6 + 8 + 68 = 666.

2944886868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

Its product of digits (42467328) is a multiple of the sum of its prime divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 40340880 + ... + 40340952.

Almost surely, 22944886868 is an apocalyptic number.

2944886868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2944886868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5015483200).

2944886868 is an abundant number, since it is smaller than the sum of its proper divisors (7086079532).

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

2944886868 is a wasteful number, since it uses less digits than its factorization.

2944886868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 96 counting only the distinct ones).

The product of its digits is 42467328, while the sum is 63.

The square root of 2944886868 is about 54266.8118466526. The cubic root of 2944886868 is about 1433.3630510995.

The spelling of 2944886868 in words is "two billion, nine hundred forty-four million, eight hundred eighty-six thousand, eight hundred sixty-eight".