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10002021111331 = 312571255431293
BaseRepresentation
bin1001000110001100011011…
…1010100101011000100011
31022102011222001022100100121
42101203012322211120203
52302333114401030311
633134510504301111
72051423256454204
oct221430672453043
938364861270317
1010002021111331
11320691918a967
121156560771797
13577256ab4aa2
142681597215ab
151252975c5b71
hex918c6ea5623

10002021111331 has 8 divisors (see below), whose sum is σ = 10364840763264. Its totient is φ = 9641712322560.

The previous prime is 10002021111311. The next prime is 10002021111347. The reversal of 10002021111331 is 13311112020001.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10002021111331 is a prime.

It is a super-2 number, since 2×100020211113312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10002021111301) 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, 627707680 + ... + 627723613.

It is an arithmetic number, because the mean of its divisors is an integer number (1295605095408).

Almost surely, 210002021111331 is an apocalyptic number.

10002021111331 is a deficient number, since it is larger than the sum of its proper divisors (362819651933).

10002021111331 is a wasteful number, since it uses less digits than its factorization.

10002021111331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255431581.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10002021111331 its reverse (13311112020001), we get a palindrome (23313133131332).

The spelling of 10002021111331 in words is "ten trillion, two billion, twenty-one million, one hundred eleven thousand, three hundred thirty-one".

Divisors: 1 31 257 7967 1255431293 38918370083 322645842301 10002021111331