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3899195680 = 25540160773
BaseRepresentation
bin1110100001101001…
…0000000100100000
3101001202000122220211
43220122100010200
530441143230210
61442525143504
7165424421302
oct35032200440
911052018824
103899195680
111720aa3476
129099bab94
134a1a88aa3
1428dbd3972
1517c4b238a
hexe8690120

3899195680 has 48 divisors (see below), whose sum is σ = 9234973944. Its totient is φ = 1555763200.

The previous prime is 3899195603. The next prime is 3899195687. The reversal of 3899195680 is 865919983.

It can be written as a sum of positive squares in 4 ways, for example, as 3874315536 + 24880144 = 62244^2 + 4988^2 .

It is not an unprimeable number, because it can be changed into a prime (3899195687) 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, 33774 + ... + 94546.

Almost surely, 23899195680 is an apocalyptic number.

It is an amenable number.

3899195680 is an abundant number, since it is smaller than the sum of its proper divisors (5335778264).

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

3899195680 is a wasteful number, since it uses less digits than its factorization.

3899195680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61189 (or 61181 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 58.

The square root of 3899195680 is about 62443.5399380913. The cubic root of 3899195680 is about 1573.9526999031.

The spelling of 3899195680 in words is "three billion, eight hundred ninety-nine million, one hundred ninety-five thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 401 802 1604 2005 3208 4010 6416 8020 12832 16040 32080 60773 64160 121546 243092 303865 486184 607730 972368 1215460 1944736 2430920 4861840 9723680 24369973 48739946 97479892 121849865 194959784 243699730 389919568 487399460 779839136 974798920 1949597840 3899195680