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28342807755311 = 7294378712973181
BaseRepresentation
bin1100111000111000100101…
…11111001111101000101111
310201100112202000010012222002
412130130102333033220233
512203332032241132221
6140140301154042515
75653462124623040
oct634342277175057
9121315660105862
1028342807755311
11903813209a745
123219038b7943b
1312a793b6a020a
146ddb2908c8c7
153423dc70e80b
hex19c712fcfa2f

28342807755311 has 64 divisors (see below), whose sum is σ = 34368850222080. Its totient is φ = 22856684820480.

The previous prime is 28342807755293. The next prime is 28342807755337. The reversal of 28342807755311 is 11355770824382.

It is a happy number.

It is not a de Polignac number, because 28342807755311 - 242 = 23944761244207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28342807755511) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8910029141 + ... + 8910032321.

It is an arithmetic number, because the mean of its divisors is an integer number (537013284720).

Almost surely, 228342807755311 is an apocalyptic number.

28342807755311 is a deficient number, since it is larger than the sum of its proper divisors (6026042466769).

28342807755311 is a wasteful number, since it uses less digits than its factorization.

28342807755311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5344.

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 28342807755311 in words is "twenty-eight trillion, three hundred forty-two billion, eight hundred seven million, seven hundred fifty-five thousand, three hundred eleven".

Divisors: 1 7 29 43 203 301 787 1247 1297 3181 5509 8729 9079 22267 22823 33841 37613 55771 92249 136783 159761 236887 263291 390397 645743 957481 981389 1020739 1617359 2503447 3966707 4125757 6869723 7145173 11321513 17524129 27766949 28880299 29601431 43891777 72599963 107648221 119646953 177407551 207210017 307242439 508199741 753537547 837528671 1241852857 1272861533 3121798409 3246970759 5144818979 8910030731 21852588863 22728795313 36013732853 94162152011 139619742637 659135064077 977338198459 4048972536473 28342807755311