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238341946212 = 223244916978689
BaseRepresentation
bin1101110111111001001…
…0010111101101100100
3211210012110102100210100
43131332102113231210
512401111014234322
6301254235024100
723135223054516
oct3357622275544
9753173370710
10238341946212
11920978a6957
123a23829b030
1319624a20806
14b7703a5bb6
1562ee5e0dac
hex377e497b64

238341946212 has 72 divisors (see below), whose sum is σ = 604242639000. Its totient is φ = 79214542848.

The previous prime is 238341946201. The next prime is 238341946363. The reversal of 238341946212 is 212649143832.

238341946212 is a `hidden beast` number, since 2 + 3 + 8 + 3 + 4 + 19 + 4 + 621 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 163340455716 + 75001490496 = 404154^2 + 273864^2 .

It is a super-2 number, since 2×2383419462122 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27425964 + ... + 27434652.

It is an arithmetic number, because the mean of its divisors is an integer number (8392258875).

Almost surely, 2238341946212 is an apocalyptic number.

It is an amenable number.

238341946212 is an abundant number, since it is smaller than the sum of its proper divisors (365900692788).

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

238341946212 is a wasteful number, since it uses less digits than its factorization.

238341946212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10845 (or 10840 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The spelling of 238341946212 in words is "two hundred thirty-eight billion, three hundred forty-one million, nine hundred forty-six thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 449 898 1347 1697 1796 2694 3394 4041 5091 5388 6788 8082 8689 10182 15273 16164 17378 20364 26067 30546 34756 52134 61092 78201 104268 156402 312804 761953 1523906 2285859 3047812 3901361 4571718 6857577 7802722 9143436 11704083 13715154 14745233 15605444 23408166 27430308 29490466 35112249 44235699 46816332 58980932 70224498 88471398 132707097 140448996 176942796 265414194 530828388 6620609617 13241219234 19861828851 26482438468 39723657702 59585486553 79447315404 119170973106 238341946212