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3143145746 = 213130192921
BaseRepresentation
bin1011101101011000…
…1001100100010010
322010001101100101102
42323112021210102
522414121130441
61235520304402
7140614204136
oct27326114422
98101340342
103143145746
111373250a14
12738772102
133b1253670
1421b6293c6
15135e1c69b
hexbb589912

3143145746 has 16 divisors (see below), whose sum is σ = 5081346648. Its totient is φ = 1449552000.

The previous prime is 3143145721. The next prime is 3143145757. The reversal of 3143145746 is 6475413413.

It can be written as a sum of positive squares in 4 ways, for example, as 174530521 + 2968615225 = 13211^2 + 54485^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12635 + ... + 80286.

Almost surely, 23143145746 is an apocalyptic number.

3143145746 is a deficient number, since it is larger than the sum of its proper divisors (1938200902).

3143145746 is a wasteful number, since it uses less digits than its factorization.

3143145746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94237.

The product of its digits is 120960, while the sum is 38.

The square root of 3143145746 is about 56063.7650002210. The cubic root of 3143145746 is about 1464.8331952955.

It can be divided in two parts, 31431 and 45746, that added together give a palindrome (77177).

The spelling of 3143145746 in words is "three billion, one hundred forty-three million, one hundred forty-five thousand, seven hundred forty-six".

Divisors: 1 2 13 26 1301 2602 16913 33826 92921 185842 1207973 2415946 120890221 241780442 1571572873 3143145746