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47263864240 = 2453111899673
BaseRepresentation
bin101100000001001001…
…010101010110110000
311111222220022001222101
4230001021111112300
51233244022123430
633413540350144
73262146134365
oct540111252660
9144886261871
1047263864240
111905424582a
1291b06a5354
1345c2c43598
1424051b246c
151369572dca
hexb012555b0

47263864240 has 40 divisors (see below), whose sum is σ = 110241881568. Its totient is φ = 18844746240.

The previous prime is 47263864229. The next prime is 47263864247. The reversal of 47263864240 is 4246836274.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (47263864247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924957 + ... + 974716.

Almost surely, 247263864240 is an apocalyptic number.

47263864240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47263864240 is an abundant number, since it is smaller than the sum of its proper divisors (62978017328).

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

47263864240 is a wasteful number, since it uses less digits than its factorization.

47263864240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899997 (or 1899991 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 46.

The spelling of 47263864240 in words is "forty-seven billion, two hundred sixty-three million, eight hundred sixty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 311 622 1244 1555 2488 3110 4976 6220 12440 24880 1899673 3799346 7598692 9498365 15197384 18996730 30394768 37993460 75986920 151973840 590798303 1181596606 2363193212 2953991515 4726386424 5907983030 9452772848 11815966060 23631932120 47263864240