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12010414021555 = 541293199956947
BaseRepresentation
bin1010111011000110010001…
…1101100001101110110011
31120112011222101220012201111
42232301210131201232303
53033234311442142210
641313301422414151
72346503153515255
oct256614435415663
946464871805644
1012010414021555
113910651671394
12141b847431357
136917670ba811
142d7442b15cd5
1515c64231188a
hexaec64761bb3

12010414021555 has 16 divisors (see below), whose sum is σ = 14814410363424. Its totient is φ = 9341988517120.

The previous prime is 12010414021499. The next prime is 12010414021663. The reversal of 12010414021555 is 55512041401021.

It is not a de Polignac number, because 12010414021555 - 213 = 12010414013363 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99918409 + ... + 100038538.

It is an arithmetic number, because the mean of its divisors is an integer number (925900647714).

Almost surely, 212010414021555 is an apocalyptic number.

12010414021555 is a deficient number, since it is larger than the sum of its proper divisors (2803996341869).

12010414021555 is a wasteful number, since it uses less digits than its factorization.

12010414021555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199957286.

The product of its (nonzero) digits is 8000, while the sum is 31.

Adding to 12010414021555 its reverse (55512041401021), we get a palindrome (67522455422576).

The spelling of 12010414021555 in words is "twelve trillion, ten billion, four hundred fourteen million, twenty-one thousand, five hundred fifty-five".

Divisors: 1 5 41 205 293 1465 12013 60065 199956947 999784735 8198234827 40991174135 58587385471 292936927355 2402082804311 12010414021555