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11987693359934 = 210657562432831
BaseRepresentation
bin1010111001110001101000…
…1101000101001100111110
31120110000022221222000100112
42232130122031011030332
53032401244000004214
641255023104030022
72345040134212265
oct256343215051476
946400287860315
1011987693359934
113901a52423a96
121417366302312
1368c585b73b46
142d62c937d5dc
1515bc627cda3e
hexae71a34533e

11987693359934 has 8 divisors (see below), whose sum is σ = 17983227370368. Its totient is φ = 5993284236480.

The previous prime is 11987693359931. The next prime is 11987693359969. The reversal of 11987693359934 is 43995339678911.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11987693359931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281195102 + ... + 281237729.

It is an arithmetic number, because the mean of its divisors is an integer number (2247903421296).

Almost surely, 211987693359934 is an apocalyptic number.

11987693359934 is a deficient number, since it is larger than the sum of its proper divisors (5995534010434).

11987693359934 is a wasteful number, since it uses less digits than its factorization.

11987693359934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562443490.

The product of its digits is 1190427840, while the sum is 77.

The spelling of 11987693359934 in words is "eleven trillion, nine hundred eighty-seven billion, six hundred ninety-three million, three hundred fifty-nine thousand, nine hundred thirty-four".

Divisors: 1 2 10657 21314 562432831 1124865662 5993846679967 11987693359934