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3124220142 = 233131663589
BaseRepresentation
bin1011101000110111…
…1101000011101110
322001201202211100010
42322031331003232
522344300021032
61234002514050
7140264301351
oct27215750356
98051684303
103124220142
1113635a491a
12732365926
133aa358294
14218d00298
1513442eccc
hexba37d0ee

3124220142 has 16 divisors (see below), whose sum is σ = 6268407120. Its totient is φ = 1038078912.

The previous prime is 3124220107. The next prime is 3124220147. The reversal of 3124220142 is 2410224213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3124220147) 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, 829917 + ... + 833672.

It is an arithmetic number, because the mean of its divisors is an integer number (391775445).

Almost surely, 23124220142 is an apocalyptic number.

3124220142 is an abundant number, since it is smaller than the sum of its proper divisors (3144186978).

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

3124220142 is a wasteful number, since it uses less digits than its factorization.

3124220142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663907.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 3124220142 is about 55894.7237402601. The cubic root of 3124220142 is about 1461.8872419950.

Adding to 3124220142 its reverse (2410224213), we get a palindrome (5534444355).

The spelling of 3124220142 in words is "three billion, one hundred twenty-four million, two hundred twenty thousand, one hundred forty-two".

Divisors: 1 2 3 6 313 626 939 1878 1663589 3327178 4990767 9981534 520703357 1041406714 1562110071 3124220142