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3198042387 = 32355338043
BaseRepresentation
bin1011111010011110…
…0100000100010011
322020212200101102100
42332213210010103
523022144324022
61245201051443
7142151624511
oct27647440423
98225611370
103198042387
1113a1236641
12753026b83
133bc734797
14224a394b1
1513ab631ac
hexbe9e4113

3198042387 has 6 divisors (see below), whose sum is σ = 4619394572. Its totient is φ = 2132028252.

The previous prime is 3198042359. The next prime is 3198042409. The reversal of 3198042387 is 7832408913.

3198042387 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3198042387 - 228 = 2929606931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3198042187) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177669013 + ... + 177669030.

Almost surely, 23198042387 is an apocalyptic number.

3198042387 is a deficient number, since it is larger than the sum of its proper divisors (1421352185).

3198042387 is a wasteful number, since it uses less digits than its factorization.

3198042387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355338049 (or 355338046 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 3198042387 is about 56551.2368299757. The cubic root of 3198042387 is about 1473.3120419940.

The spelling of 3198042387 in words is "three billion, one hundred ninety-eight million, forty-two thousand, three hundred eighty-seven".

Divisors: 1 3 9 355338043 1066014129 3198042387