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10121021332 = 22171011473649
BaseRepresentation
bin10010110110100001…
…01000011110010100
3222010100111011011221
421123100220132110
5131211440140312
64352144340124
7505544155552
oct113320503624
928110434157
1010121021332
114324064144
121b65614644
13c53ab1226
146c0266bd2
153e3816207
hex25b428794

10121021332 has 24 divisors (see below), whose sum is σ = 18939349800. Its totient is φ = 4715673600.

The previous prime is 10121021321. The next prime is 10121021341. The reversal of 10121021332 is 23312012101.

It can be written as a sum of positive squares in 4 ways, for example, as 2924213776 + 7196807556 = 54076^2 + 84834^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729957 + ... + 743692.

It is an arithmetic number, because the mean of its divisors is an integer number (789139575).

Almost surely, 210121021332 is an apocalyptic number.

It is an amenable number.

10121021332 is a deficient number, since it is larger than the sum of its proper divisors (8818328468).

10121021332 is a wasteful number, since it uses less digits than its factorization.

10121021332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473771 (or 1473769 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10121021332 its reverse (23312012101), we get a palindrome (33433033433).

The spelling of 10121021332 in words is "ten billion, one hundred twenty-one million, twenty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 17 34 68 101 202 404 1717 3434 6868 1473649 2947298 5894596 25052033 50104066 100208132 148838549 297677098 595354196 2530255333 5060510666 10121021332