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104178232381 is a prime number
BaseRepresentation
bin110000100000110000…
…0011010110000111101
3100221220100201112120011
41201001200122300331
53201324111414011
6115505301023221
710345430236006
oct1410140326075
9327810645504
10104178232381
11401aa994a13
12182350b4b11
139a933365b2
145083d2c1ad
152a9ae69621
hex184181ac3d

104178232381 has 2 divisors, whose sum is σ = 104178232382. Its totient is φ = 104178232380.

The previous prime is 104178232363. The next prime is 104178232409. The reversal of 104178232381 is 183232871401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103646007481 + 532224900 = 321941^2 + 23070^2 .

It is a cyclic number.

It is not a de Polignac number, because 104178232381 - 233 = 95588297789 is a prime.

It is a super-2 number, since 2×1041782323812 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104178230381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52089116190 + 52089116191.

It is an arithmetic number, because the mean of its divisors is an integer number (52089116191).

Almost surely, 2104178232381 is an apocalyptic number.

It is an amenable number.

104178232381 is a deficient number, since it is larger than the sum of its proper divisors (1).

104178232381 is an equidigital number, since it uses as much as digits as its factorization.

104178232381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 104178232381 in words is "one hundred four billion, one hundred seventy-eight million, two hundred thirty-two thousand, three hundred eighty-one".