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55130336154 = 2342112297043
BaseRepresentation
bin110011010110000001…
…100010101110011010
312021022010110020210000
4303112001202232122
51400401331224104
641154310233430
73661116061005
oct632601425632
9167263406700
1055130336154
1121420701593
12a827055876
1352779040aa
14294dc3c53c
151679e94639
hexcd6062b9a

55130336154 has 80 divisors (see below), whose sum is σ = 124677954720. Its totient is φ = 18207231840.

The previous prime is 55130336101. The next prime is 55130336161. The reversal of 55130336154 is 45163303155.

55130336154 is a `hidden beast` number, since 5 + 5 + 1 + 3 + 0 + 33 + 615 + 4 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 7824157 + ... + 7831199.

It is an arithmetic number, because the mean of its divisors is an integer number (1558474434).

Almost surely, 255130336154 is an apocalyptic number.

55130336154 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55130336154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62338977360).

55130336154 is an abundant number, since it is smaller than the sum of its proper divisors (69547618566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55130336154 is a wasteful number, since it uses less digits than its factorization.

55130336154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7497 (or 7488 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 55130336154 in words is "fifty-five billion, one hundred thirty million, three hundred thirty-six thousand, one hundred fifty-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 211 229 422 458 633 687 1266 1374 1899 2061 3798 4122 5697 6183 7043 11394 12366 14086 17091 18549 21129 34182 37098 42258 48319 63387 96638 126774 144957 190161 289914 380322 434871 570483 869742 1140966 1304613 1486073 1612847 2609226 2972146 3225694 3913839 4458219 4838541 7827678 8916438 9677082 13374657 14515623 26749314 29031246 40123971 43546869 80247942 87093738 120371913 130640607 240743826 261281214 340310717 680621434 1020932151 2041864302 3062796453 6125592906 9188389359 18376778718 27565168077 55130336154