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3145985834 = 231127399541
BaseRepresentation
bin1011101110000011…
…1110111100101010
322010020201122020212
42323200332330222
522420333021314
61240101221122
7140650303235
oct27340767452
98106648225
103145985834
1113749107a2
127397017a2
133b1a092a4
1421bb6841c
151362cde3e
hexbb83ef2a

3145985834 has 16 divisors (see below), whose sum is σ = 4909572096. Its totient is φ = 1510261200.

The previous prime is 3145985831. The next prime is 3145985837. The reversal of 3145985834 is 4385895413.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3145985831) and next prime (3145985837).

It is not an unprimeable number, because it can be changed into a prime (3145985831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191897 + ... + 207644.

It is an arithmetic number, because the mean of its divisors is an integer number (306848256).

Almost surely, 23145985834 is an apocalyptic number.

3145985834 is a deficient number, since it is larger than the sum of its proper divisors (1763586262).

3145985834 is a wasteful number, since it uses less digits than its factorization.

3145985834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399701.

The product of its digits is 2073600, while the sum is 50.

The square root of 3145985834 is about 56089.0883684162. The cubic root of 3145985834 is about 1465.2742611471.

The spelling of 3145985834 in words is "three billion, one hundred forty-five million, nine hundred eighty-five thousand, eight hundred thirty-four".

Divisors: 1 2 31 62 127 254 3937 7874 399541 799082 12385771 24771542 50741707 101483414 1572992917 3145985834