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155332230105 = 35132272135059
BaseRepresentation
bin1001000010101010000…
…1011011101111011001
3112211221100222212110110
42100222201123233121
510021110022330410
6155205244434533
714136164112423
oct2205241335731
9484840885413
10155332230105
115a96aaa3598
1226130548a49
13118561b1bc0
147737a15813
154091cae720
hex242a85bbd9

155332230105 has 32 divisors (see below), whose sum is σ = 267668795520. Its totient is φ = 76465704960.

The previous prime is 155332230077. The next prime is 155332230107. The reversal of 155332230105 is 501032233551.

155332230105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 155332230105 - 26 = 155332230041 is a prime.

It is a super-2 number, since 2×1553322301052 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155332230107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4413066 + ... + 4448124.

It is an arithmetic number, because the mean of its divisors is an integer number (8364649860).

Almost surely, 2155332230105 is an apocalyptic number.

155332230105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155332230105 is a deficient number, since it is larger than the sum of its proper divisors (112336565415).

155332230105 is a wasteful number, since it uses less digits than its factorization.

155332230105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57801.

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 155332230105 its reverse (501032233551), we get a palindrome (656364463656).

The spelling of 155332230105 in words is "one hundred fifty-five billion, three hundred thirty-two million, two hundred thirty thousand, one hundred five".

Divisors: 1 3 5 13 15 39 65 195 22721 35059 68163 105177 113605 175295 295373 340815 455767 525885 886119 1367301 1476865 2278835 4430595 6836505 796575539 2389726617 3982877695 10355482007 11948633085 31066446021 51777410035 155332230105