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221254104030 = 23560712150143
BaseRepresentation
bin1100111000001111000…
…1011011001111011110
3210011002120122001001120
43032003301123033132
512111112022312110
6245350455151410
721661611565611
oct3160361331736
9704076561046
10221254104030
11859191a0133
1236a69675566
1317b307826ab
14a9ccb7c178
155b4e366870
hex3383c5b3de

221254104030 has 32 divisors (see below), whose sum is σ = 531884703744. Its totient is φ = 58903888416.

The previous prime is 221254104007. The next prime is 221254104031. The reversal of 221254104030 is 30401452122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221254104031) 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, 6056862 + ... + 6093281.

It is an arithmetic number, because the mean of its divisors is an integer number (16621396992).

Almost surely, 2221254104030 is an apocalyptic number.

221254104030 is an abundant number, since it is smaller than the sum of its proper divisors (310630599714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221254104030 is a wasteful number, since it uses less digits than its factorization.

221254104030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12150760.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 221254104030 its reverse (30401452122), we get a palindrome (251655556152).

The spelling of 221254104030 in words is "two hundred twenty-one billion, two hundred fifty-four million, one hundred four thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 607 1214 1821 3035 3642 6070 9105 18210 12150143 24300286 36450429 60750715 72900858 121501430 182252145 364504290 7375136801 14750273602 22125410403 36875684005 44250820806 73751368010 110627052015 221254104030