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11201210111987 = 71648797056643
BaseRepresentation
bin1010001011111111110000…
…1001100101011111110011
31110122211021120222102101022
42202333330021211133303
52432010034242040422
635453433114330055
72234155300002530
oct242777411453763
943584246872338
1011201210111987
113629452103165
12130aa5272992b
1363336736820c
142aa1da259d87
15146580eb5342
hexa2ffc2657f3

11201210111987 has 8 divisors (see below), whose sum is σ = 12802159570176. Its totient is φ = 9600454800072.

The previous prime is 11201210111963. The next prime is 11201210112031. The reversal of 11201210111987 is 78911101210211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11201210111987 - 220 = 11201209063411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201210113987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48412913 + ... + 48643730.

It is an arithmetic number, because the mean of its divisors is an integer number (1600269946272).

Almost surely, 211201210111987 is an apocalyptic number.

11201210111987 is a deficient number, since it is larger than the sum of its proper divisors (1600949458189).

11201210111987 is an equidigital number, since it uses as much as digits as its factorization.

11201210111987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97073137.

The product of its (nonzero) digits is 2016, while the sum is 35.

The spelling of 11201210111987 in words is "eleven trillion, two hundred one billion, two hundred ten million, one hundred eleven thousand, nine hundred eighty-seven".

Divisors: 1 7 16487 115409 97056643 679396501 1600172873141 11201210111987