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10021040323 = 7371411491
BaseRepresentation
bin10010101010100110…
…01111000011000011
3221212101100121000121
421111103033003003
5131010341242243
64334213401111
7503221303000
oct112523170303
927771317017
1010021040323
114282685a08
121b38039197
13c39176278
146b0c7c8a7
153d9b671ed
hex2554cf0c3

10021040323 has 16 divisors (see below), whose sum is σ = 11850969600. Its totient is φ = 8468464200.

The previous prime is 10021040291. The next prime is 10021040327. The reversal of 10021040323 is 32304012001.

It is a happy number.

It is not a de Polignac number, because 10021040323 - 25 = 10021040291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021040297 and 10021040306.

It is not an unprimeable number, because it can be changed into a prime (10021040327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181393 + ... + 230098.

It is an arithmetic number, because the mean of its divisors is an integer number (740685600).

Almost surely, 210021040323 is an apocalyptic number.

10021040323 is a deficient number, since it is larger than the sum of its proper divisors (1829929277).

10021040323 is an frugal number, since it uses more digits than its factorization.

10021040323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411583 (or 411569 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10021040323 its reverse (32304012001), we get a palindrome (42325052324).

The spelling of 10021040323 in words is "ten billion, twenty-one million, forty thousand, three hundred twenty-three".

Divisors: 1 7 49 71 343 497 3479 24353 411491 2880437 20163059 29215861 141141413 204511027 1431577189 10021040323