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371230420221 = 3313749274823
BaseRepresentation
bin1010110011011110000…
…11101010110011111101
31022111012200112021212000
411121233003222303331
522040234441421341
6442312500132513
735551302336063
oct5315703526375
91274180467760
10371230420221
1113348a992291
125bb44397139
132901215ba5b
1413d79326033
1599cad188b6
hex566f0eacfd

371230420221 has 8 divisors (see below), whose sum is σ = 549970992960. Its totient is φ = 247486946796.

The previous prime is 371230420199. The next prime is 371230420229. The reversal of 371230420221 is 122024032173.

371230420221 is a `hidden beast` number, since 3 + 7 + 1 + 230 + 420 + 2 + 2 + 1 = 666.

It is not a de Polignac number, because 371230420221 - 25 = 371230420189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 13749274823 = 371230420221 / (3 + 7 + 1 + 2 + 3 + 0 + 4 + 2 + 0 + 2 + 2 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (371230420229) 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, 6874637385 + ... + 6874637438.

It is an arithmetic number, because the mean of its divisors is an integer number (68746374120).

Almost surely, 2371230420221 is an apocalyptic number.

It is an amenable number.

371230420221 is a deficient number, since it is larger than the sum of its proper divisors (178740572739).

371230420221 is a wasteful number, since it uses less digits than its factorization.

371230420221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13749274832 (or 13749274826 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

Adding to 371230420221 its reverse (122024032173), we get a palindrome (493254452394).

The spelling of 371230420221 in words is "three hundred seventy-one billion, two hundred thirty million, four hundred twenty thousand, two hundred twenty-one".

Divisors: 1 3 9 27 13749274823 41247824469 123743473407 371230420221