Search a number
-
+
127028425143 = 3103480185627
BaseRepresentation
bin111011001001101111…
…0111111000110110111
3110010212211101121020210
41312103132333012313
54040123234101033
6134204524000503
712114611540544
oct1662336770667
9403784347223
10127028425143
1149966263a44
1220751690133
13bc95363509
146210981bcb
153487036d63
hex1d937bf1b7

127028425143 has 16 divisors (see below), whose sum is σ = 171053232896. Its totient is φ = 83844979200.

The previous prime is 127028425129. The next prime is 127028425159. The reversal of 127028425143 is 341524820721.

It is a happy number.

It is not a de Polignac number, because 127028425143 - 24 = 127028425127 is a prime.

It is a super-2 number, since 2×1270284251432 (a number of 23 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 (127028475143) 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, 1440696 + ... + 1526322.

It is an arithmetic number, because the mean of its divisors is an integer number (10690827056).

Almost surely, 2127028425143 is an apocalyptic number.

127028425143 is a deficient number, since it is larger than the sum of its proper divisors (44024807753).

127028425143 is a wasteful number, since it uses less digits than its factorization.

127028425143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90534.

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 127028425143 in words is "one hundred twenty-seven billion, twenty-eight million, four hundred twenty-five thousand, one hundred forty-three".

Divisors: 1 3 103 309 4801 14403 85627 256881 494503 1483509 8819581 26458743 411095227 1233285681 42342808381 127028425143