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155123606135422 = 21742023108570521
BaseRepresentation
bin100011010001010110000111…
…011100001010001001111110
3202100020200010211100012011101
4203101112013130022021332
5130313021121132313142
61305530444553043314
744450211366265351
oct4321260734121176
9670220124305141
10155123606135422
1145477608665851
1215493bb19b653a
136873129c65182
142a44046014298
1512e01c34cb0b7
hex8d158770a27e

155123606135422 has 16 divisors (see below), whose sum is σ = 246378651292512. Its totient is φ = 72997606263040.

The previous prime is 155123606135417. The next prime is 155123606135437. The reversal of 155123606135422 is 224531606321551.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 52856479 + ... + 55714042.

It is an arithmetic number, because the mean of its divisors is an integer number (15398665705782).

Almost surely, 2155123606135422 is an apocalyptic number.

155123606135422 is a deficient number, since it is larger than the sum of its proper divisors (91255045157090).

155123606135422 is a wasteful number, since it uses less digits than its factorization.

155123606135422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108612563.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 155123606135422 in words is "one hundred fifty-five trillion, one hundred twenty-three billion, six hundred six million, one hundred thirty-five thousand, four hundred twenty-two".

Divisors: 1 2 17 34 42023 84046 714391 1428782 108570521 217141042 1845698857 3691397714 4562459003983 9124918007966 77561803067711 155123606135422