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1021010000002 = 21289939577099
BaseRepresentation
bin11101101101110001111…
…00000011100010000010
310121121101221110000021021
432312320330003202002
5113212012030000002
62101013455420054
7133523402543236
oct16667074034202
93547357400237
101021010000002
1136400a588963
12145a6622462a
1375385ca21c5
14375ba9205c6
151b85aedb737
hexedb8f03882

1021010000002 has 8 divisors (see below), whose sum is σ = 1531633770000. Its totient is φ = 510465410004.

The previous prime is 1021009999973. The next prime is 1021010000011. The reversal of 1021010000002 is 2000000101201.

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

It is a super-2 number, since 2×10210100000022 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1021010000002.

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 3 ways as a sum of consecutive naturals, for example, 19762752 + ... + 19814347.

It is an arithmetic number, because the mean of its divisors is an integer number (191454221250).

Almost surely, 21021010000002 is an apocalyptic number.

1021010000002 is a deficient number, since it is larger than the sum of its proper divisors (510623769998).

1021010000002 is a wasteful number, since it uses less digits than its factorization.

1021010000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39590000.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 1021010000002 its reverse (2000000101201), we get a palindrome (3021010101203).

The spelling of 1021010000002 in words is "one trillion, twenty-one billion, ten million, two", and thus it is an aban number and an uban number.

Divisors: 1 2 12899 25798 39577099 79154198 510505000001 1021010000002