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213300145421 = 11107181223573
BaseRepresentation
bin1100011010100110101…
…1011110110100001101
3202101120020212002001222
43012221223132310031
511443314314123141
6241553322213125
721260530215116
oct3065153366415
9671506762058
10213300145421
118250740a320
12354099541a5
131716393cbcc
14a47665b20d
155835e1314b
hex31a9aded0d

213300145421 has 8 divisors (see below), whose sum is σ = 234865751904. Its totient is φ = 192096986320.

The previous prime is 213300145403. The next prime is 213300145423. The reversal of 213300145421 is 124541003312.

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 not a de Polignac number, because 213300145421 - 226 = 213233036557 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 (213300145423) 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, 90610610 + ... + 90612963.

It is an arithmetic number, because the mean of its divisors is an integer number (29358218988).

Almost surely, 2213300145421 is an apocalyptic number.

It is an amenable number.

213300145421 is a deficient number, since it is larger than the sum of its proper divisors (21565606483).

213300145421 is a wasteful number, since it uses less digits than its factorization.

213300145421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181223691.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 213300145421 its reverse (124541003312), we get a palindrome (337841148733).

The spelling of 213300145421 in words is "two hundred thirteen billion, three hundred million, one hundred forty-five thousand, four hundred twenty-one".

Divisors: 1 11 107 1177 181223573 1993459303 19390922311 213300145421