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2030142040 = 235172985503
BaseRepresentation
bin111100100000001…
…1000001001011000
312020111001220022221
41321000120021120
513124204021130
6533240553424
7101210631313
oct17100301130
95214056287
102030142040
11951a64843
12487a82874
1326479bba4
141538a397a
15bd36887a
hex79018258

2030142040 has 32 divisors (see below), whose sum is σ = 4836516480. Its totient is φ = 764288512.

The previous prime is 2030141969. The next prime is 2030142053. The reversal of 2030142040 is 402410302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1492072 + ... + 1493431.

It is an arithmetic number, because the mean of its divisors is an integer number (151141140).

Almost surely, 22030142040 is an apocalyptic number.

2030142040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2030142040 is an abundant number, since it is smaller than the sum of its proper divisors (2806374440).

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

2030142040 is a wasteful number, since it uses less digits than its factorization.

2030142040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985531 (or 2985527 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2030142040 is about 45057.0975541035. The cubic root of 2030142040 is about 1266.2189482616.

Adding to 2030142040 its reverse (402410302), we get a palindrome (2432552342).

The spelling of 2030142040 in words is "two billion, thirty million, one hundred forty-two thousand, forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 2985503 5971006 11942012 14927515 23884024 29855030 50753551 59710060 101507102 119420120 203014204 253767755 406028408 507535510 1015071020 2030142040