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3112352140 = 225155617607
BaseRepresentation
bin1011100110000010…
…1011100110001100
322000220102212111111
42321200223212030
522333230232030
61232500301404
7140061361642
oct27140534614
98026385444
103112352140
111357929257
1272a3a1864
133a7a613b1
142174d1192
1513338862a
hexb982b98c

3112352140 has 12 divisors (see below), whose sum is σ = 6535939536. Its totient is φ = 1244940848.

The previous prime is 3112352099. The next prime is 3112352141. The reversal of 3112352140 is 412532113.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3112352141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77808784 + ... + 77808823.

It is an arithmetic number, because the mean of its divisors is an integer number (544661628).

Almost surely, 23112352140 is an apocalyptic number.

It is an amenable number.

3112352140 is an abundant number, since it is smaller than the sum of its proper divisors (3423587396).

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

3112352140 is a wasteful number, since it uses less digits than its factorization.

3112352140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155617616 (or 155617614 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3112352140 is about 55788.4588423090. The cubic root of 3112352140 is about 1460.0337985545.

Adding to 3112352140 its reverse (412532113), we get a palindrome (3524884253).

The spelling of 3112352140 in words is "three billion, one hundred twelve million, three hundred fifty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 155617607 311235214 622470428 778088035 1556176070 3112352140