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38220220182 = 23171123333667
BaseRepresentation
bin100011100110000110…
…100100011100010110
310122122122002100120110
4203212012210130112
51111233334021212
625320315543450
72522063340234
oct434606443426
9118578070513
1038220220182
1115233355131
1274a7a5ab86
1337b1421c01
141bc8079954
15eda624a3c
hex8e61a4716

38220220182 has 32 divisors (see below), whose sum is σ = 81009251712. Its totient is φ = 11979944064.

The previous prime is 38220220163. The next prime is 38220220217. The reversal of 38220220182 is 28102202283.

It is a super-2 number, since 2×382202201822 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52288 + ... + 281379.

It is an arithmetic number, because the mean of its divisors is an integer number (2531539116).

Almost surely, 238220220182 is an apocalyptic number.

38220220182 is an abundant number, since it is smaller than the sum of its proper divisors (42789031530).

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

38220220182 is a wasteful number, since it uses less digits than its factorization.

38220220182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334812.

The product of its (nonzero) digits is 6144, while the sum is 30.

It can be divided in two parts, 382202201 and 82, that added together give a palindrome (382202283).

The spelling of 38220220182 in words is "thirty-eight billion, two hundred twenty million, two hundred twenty thousand, one hundred eighty-two".

Divisors: 1 2 3 6 17 34 51 102 1123 2246 3369 6738 19091 38182 57273 114546 333667 667334 1001001 2002002 5672339 11344678 17017017 34034034 374708041 749416082 1124124123 2248248246 6370036697 12740073394 19110110091 38220220182