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1000021030 = 25100002103
BaseRepresentation
bin111011100110110…
…001110000100110
32120200201022221221
4323212301300212
54022001133110
6243121530554
733532016131
oct7346616046
92520638857
101000021030
11473538668
1223aaa3a5a
1312c246928
1496b55218
155cbd77da
hex3b9b1c26

1000021030 has 8 divisors (see below), whose sum is σ = 1800037872. Its totient is φ = 400008408.

The previous prime is 1000021027. The next prime is 1000021069. The reversal of 1000021030 is 301200001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50001042 + ... + 50001061.

It is an arithmetic number, because the mean of its divisors is an integer number (225004734).

Almost surely, 21000021030 is an apocalyptic number.

1000021030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000021030 is a deficient number, since it is larger than the sum of its proper divisors (800016842).

1000021030 is a wasteful number, since it uses less digits than its factorization.

1000021030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100002110.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 1000021030 is about 31623.1091134316. The cubic root of 1000021030 is about 1000.0070099509.

Adding to 1000021030 its reverse (301200001), we get a palindrome (1301221031).

The spelling of 1000021030 in words is "one billion, twenty-one thousand, thirty".

Divisors: 1 2 5 10 100002103 200004206 500010515 1000021030