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1020140030 = 257131121033
BaseRepresentation
bin111100110011100…
…001100111111110
32122002120111001002
4330303201213332
54042123440110
6245121050302
734165022120
oct7463414776
92562514032
101020140030
1148392a338
12245786992
1313346c270
14996b1210
155e85daa5
hex3cce19fe

1020140030 has 32 divisors (see below), whose sum is σ = 2260004544. Its totient is φ = 322857216.

The previous prime is 1020140021. The next prime is 1020140059. The reversal of 1020140030 is 300410201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1020139993 and 1020140020.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 559607 + ... + 561426.

It is an arithmetic number, because the mean of its divisors is an integer number (70625142).

Almost surely, 21020140030 is an apocalyptic number.

1020140030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020140030 is an abundant number, since it is smaller than the sum of its proper divisors (1239864514).

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

1020140030 is a wasteful number, since it uses less digits than its factorization.

1020140030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121060.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1020140030 is about 31939.6310247943. The cubic root of 1020140030 is about 1006.6687719549.

Adding to 1020140030 its reverse (300410201), we get a palindrome (1320550231).

The spelling of 1020140030 in words is "one billion, twenty million, one hundred forty thousand, thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 1121033 2242066 5605165 7847231 11210330 14573429 15694462 29146858 39236155 72867145 78472310 102014003 145734290 204028006 510070015 1020140030