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155121241140301 = 4116274486751829
BaseRepresentation
bin100011010001010011111010…
…011110011010110001001101
3202100020110001000011222202111
4203101103322132122301031
5130313001300212442201
61305525414151024021
744450065651204012
oct4321237236326115
9670213030158674
10155121241140301
1145476604691a27
121549365196b011
136872b40cb4587
142a43c9dca7709
1512e00d5a6bb51
hex8d14fa79ac4d

155121241140301 has 16 divisors (see below), whose sum is σ = 159008965093440. Its totient is φ = 151238490721920.

The previous prime is 155121241140289. The next prime is 155121241140401. The reversal of 155121241140301 is 103041142121551.

It is a cyclic number.

It is not a de Polignac number, because 155121241140301 - 245 = 119936869051469 is a prime.

It is a super-2 number, since 2×1551212411403012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155121241140401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2992917055 + ... + 2992968883.

It is an arithmetic number, because the mean of its divisors is an integer number (9938060318340).

Almost surely, 2155121241140301 is an apocalyptic number.

It is an amenable number.

155121241140301 is a deficient number, since it is larger than the sum of its proper divisors (3887723953139).

155121241140301 is a wasteful number, since it uses less digits than its factorization.

155121241140301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98364.

The product of its (nonzero) digits is 4800, while the sum is 31.

Adding to 155121241140301 its reverse (103041142121551), we get a palindrome (258162383261852).

The spelling of 155121241140301 in words is "one hundred fifty-five trillion, one hundred twenty-one billion, two hundred forty-one million, one hundred forty thousand, three hundred one".

Divisors: 1 41 1627 44867 51829 66707 1839547 2124989 72998609 84325783 2325411743 2992942969 3457357103 95341881463 3783444905861 155121241140301