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30211032141021 = 310070344047007
BaseRepresentation
bin1101101111010000011011…
…10101101100110011011101
310221222010221202220021102010
412313220031311230303131
512424434143212003041
6144130431230221433
76235450353112524
oct667501565546335
9127863852807363
1030211032141021
119698477053076
12347b125654879
1313b1b7122a404
147663167074bb
15375cd1a3aa16
hex1b7a0dd6ccdd

30211032141021 has 4 divisors (see below), whose sum is σ = 40281376188032. Its totient is φ = 20140688094012.

The previous prime is 30211032141011. The next prime is 30211032141079. The reversal of 30211032141021 is 12014123011203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30211032141021 - 213 = 30211032132829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211032141001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5035172023501 + ... + 5035172023506.

It is an arithmetic number, because the mean of its divisors is an integer number (10070344047008).

Almost surely, 230211032141021 is an apocalyptic number.

It is an amenable number.

30211032141021 is a deficient number, since it is larger than the sum of its proper divisors (10070344047011).

30211032141021 is a wasteful number, since it uses less digits than its factorization.

30211032141021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10070344047010.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 30211032141021 its reverse (12014123011203), we get a palindrome (42225155152224).

The spelling of 30211032141021 in words is "thirty trillion, two hundred eleven billion, thirty-two million, one hundred forty-one thousand, twenty-one".

Divisors: 1 3 10070344047007 30211032141021