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3145302142 = 219372103587
BaseRepresentation
bin1011101101111001…
…1000000001111110
322010012102220101221
42323132120001332
522420144132032
61240034423554
7140641425043
oct27336300176
98105386357
103145302142
111374494064
12739431bba
133b182a038
1421ba2b1ca
151361e6597
hexbb79807e

3145302142 has 48 divisors (see below), whose sum is σ = 5162451840. Its totient is φ = 1433093472.

The previous prime is 3145302131. The next prime is 3145302143. The reversal of 3145302142 is 2412035413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145302143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5357973 + ... + 5358559.

It is an arithmetic number, because the mean of its divisors is an integer number (107551080).

Almost surely, 23145302142 is an apocalyptic number.

3145302142 is a deficient number, since it is larger than the sum of its proper divisors (2017149698).

3145302142 is a wasteful number, since it uses less digits than its factorization.

3145302142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3145302142 is about 56082.9933402275. The cubic root of 3145302142 is about 1465.1681080022.

Adding to 3145302142 its reverse (2412035413), we get a palindrome (5557337555).

The spelling of 3145302142 in words is "three billion, one hundred forty-five million, three hundred two thousand, one hundred forty-two".

Divisors: 1 2 19 37 38 74 103 206 587 703 1174 1369 1406 1957 2738 3811 3914 7622 11153 21719 22306 26011 43438 52022 60461 72409 120922 141007 144818 282014 412661 803603 825322 1148759 1607206 2237057 2297518 2679133 4474114 5358266 15268457 30536914 42504083 82771109 85008166 165542218 1572651071 3145302142