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1013020030 = 25119209273
BaseRepresentation
bin111100011000010…
…111010101111110
32121121011202020101
4330120113111332
54033313120110
6244304311314
734050346111
oct7430272576
92547152211
101013020030
1147a906a40
1224331253a
13131b48549
149877a578
155de0413a
hex3c61757e

1013020030 has 16 divisors (see below), whose sum is σ = 1989203184. Its totient is φ = 368370880.

The previous prime is 1013019991. The next prime is 1013020031. The reversal of 1013020030 is 300203101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1013019989 and 1013020016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013020031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4604527 + ... + 4604746.

It is an arithmetic number, because the mean of its divisors is an integer number (124325199).

Almost surely, 21013020030 is an apocalyptic number.

1013020030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1013020030 is a deficient number, since it is larger than the sum of its proper divisors (976183154).

1013020030 is a wasteful number, since it uses less digits than its factorization.

1013020030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9209291.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 1013020030 is about 31827.9755875236. The cubic root of 1013020030 is about 1004.3213093869.

Adding to 1013020030 its reverse (300203101), we get a palindrome (1313223131).

The spelling of 1013020030 in words is "one billion, thirteen million, twenty thousand, thirty".

Divisors: 1 2 5 10 11 22 55 110 9209273 18418546 46046365 92092730 101302003 202604006 506510015 1013020030