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10041212321 = 71975497837
BaseRepresentation
bin10010101101000000…
…01011110110100001
3221220210022102210122
421112200023312201
5131031022243241
64340214010025
7503554616330
oct112640136641
927823272718
1010041212321
114293003488
121b42946915
13c403b9a6a
146b380dd17
153db7ee04b
hex25680bda1

10041212321 has 8 divisors (see below), whose sum is σ = 12079654080. Its totient is φ = 8153766288.

The previous prime is 10041212317. The next prime is 10041212371. The reversal of 10041212321 is 12321214001.

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

It is a cyclic number.

It is not a de Polignac number, because 10041212321 - 22 = 10041212317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10041212321.

It is not an unprimeable number, because it can be changed into a prime (10041212371) 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, 37748786 + ... + 37749051.

It is an arithmetic number, because the mean of its divisors is an integer number (1509956760).

Almost surely, 210041212321 is an apocalyptic number.

It is an amenable number.

10041212321 is a deficient number, since it is larger than the sum of its proper divisors (2038441759).

10041212321 is an equidigital number, since it uses as much as digits as its factorization.

10041212321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75497863.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10041212321 its reverse (12321214001), we get a palindrome (22362426322).

The spelling of 10041212321 in words is "ten billion, forty-one million, two hundred twelve thousand, three hundred twenty-one".

Divisors: 1 7 19 133 75497837 528484859 1434458903 10041212321