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155100244039 = 13172267309577
BaseRepresentation
bin1001000001110010110…
…0011110100001000111
3112211100012110202101221
42100130230132201013
510020121130302124
6155130240301211
714130346215256
oct2203454364107
9484305422357
10155100244039
115a861053a74
1226086911807
131181a108940
147714ca879d
15407b737ce4
hex241cb1e847

155100244039 has 16 divisors (see below), whose sum is σ = 176934971808. Its totient is φ = 134687849472.

The previous prime is 155100244027. The next prime is 155100244043. The reversal of 155100244039 is 930442001551.

It is a cyclic number.

It is not a de Polignac number, because 155100244039 - 25 = 155100244007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155100243995 and 155100244013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155100244069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346219 + ... + 655795.

It is an arithmetic number, because the mean of its divisors is an integer number (11058435738).

Almost surely, 2155100244039 is an apocalyptic number.

155100244039 is a deficient number, since it is larger than the sum of its proper divisors (21834727769).

155100244039 is a wasteful number, since it uses less digits than its factorization.

155100244039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311874.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 155100244039 in words is "one hundred fifty-five billion, one hundred million, two hundred forty-four thousand, thirty-nine".

Divisors: 1 13 17 221 2267 29471 38539 309577 501007 4024501 5262809 68416517 701811059 9123543767 11930788003 155100244039