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3963863980 = 2251931336491
BaseRepresentation
bin1110110001000011…
…1100001110101100
3101020020201011011001
43230100330032230
531104222121410
61453155210044
7200141200516
oct35420741654
911206634131
103963863980
11175455274a
129275a6924
134b22ab85b
14298628bb6
15182ed833a
hexec43c3ac

3963863980 has 48 divisors (see below), whose sum is σ = 9044904960. Its totient is φ = 1453636800.

The previous prime is 3963863977. The next prime is 3963863987. The reversal of 3963863980 is 893683693.

3963863980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3963863987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156466 + ... + 180025.

It is an arithmetic number, because the mean of its divisors is an integer number (188435520).

Almost surely, 23963863980 is an apocalyptic number.

It is an amenable number.

3963863980 is an abundant number, since it is smaller than the sum of its proper divisors (5081040980).

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

3963863980 is a wasteful number, since it uses less digits than its factorization.

3963863980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336550 (or 336548 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 55.

The square root of 3963863980 is about 62959.2247410973. The cubic root of 3963863980 is about 1582.6063881650.

The spelling of 3963863980 in words is "three billion, nine hundred sixty-three million, eight hundred sixty-three thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 19 20 31 38 62 76 95 124 155 190 310 380 589 620 1178 2356 2945 5890 11780 336491 672982 1345964 1682455 3364910 6393329 6729820 10431221 12786658 20862442 25573316 31966645 41724884 52156105 63933290 104312210 127866580 198193199 208624420 396386398 792772796 990965995 1981931990 3963863980