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2002021030 = 252814571559
BaseRepresentation
bin111011101010100…
…0110101010100110
312011112011012120001
41313111012222212
513100004133110
6530354131514
7100416620002
oct16725065246
95145135501
102002021030
119380a8039
1247a580b9a
1325ba04239
1414dc63702
15bab6163a
hex77546aa6

2002021030 has 32 divisors (see below), whose sum is σ = 3626700480. Its totient is φ = 795701760.

The previous prime is 2002021027. The next prime is 2002021069. The reversal of 2002021030 is 301202002.

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 = 2002020998 and 2002021016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1283391 + ... + 1284949.

It is an arithmetic number, because the mean of its divisors is an integer number (113334390).

Almost surely, 22002021030 is an apocalyptic number.

2002021030 is a deficient number, since it is larger than the sum of its proper divisors (1624679450).

2002021030 is a wasteful number, since it uses less digits than its factorization.

2002021030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2002021030 is about 44743.9496468517. The cubic root of 2002021030 is about 1260.3452967309.

Adding to 2002021030 its reverse (301202002), we get a palindrome (2303223032).

The spelling of 2002021030 in words is "two billion, two million, twenty-one thousand, thirty".

Divisors: 1 2 5 10 281 457 562 914 1405 1559 2285 2810 3118 4570 7795 15590 128417 256834 438079 642085 712463 876158 1284170 1424926 2190395 3562315 4380790 7124630 200202103 400404206 1001010515 2002021030