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1049106247681 = 19142353997187
BaseRepresentation
bin11110100010000111001…
…10101111000000000001
310201021221000111021102011
433101003212233000001
5114142032144411211
62121541443452521
7135536554653622
oct17210346570001
93637830437364
101049106247681
11374a18143668
1214b3a7687141
1377c12b1b82b
1438ac41a5a49
151c452915921
hexf4439af001

1049106247681 has 16 divisors (see below), whose sum is σ = 1105456896000. Its totient is φ = 992869556688.

The previous prime is 1049106247649. The next prime is 1049106247747. The reversal of 1049106247681 is 1867426019401.

It is a cyclic number.

It is not a de Polignac number, because 1049106247681 - 25 = 1049106247649 is a prime.

It is a super-2 number, since 2×10491062476812 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1049106257681) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 145969170 + ... + 145976356.

It is an arithmetic number, because the mean of its divisors is an integer number (69091056000).

Almost surely, 21049106247681 is an apocalyptic number.

It is an amenable number.

1049106247681 is a deficient number, since it is larger than the sum of its proper divisors (56350648319).

1049106247681 is a wasteful number, since it uses less digits than its factorization.

1049106247681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14028.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 1049106247681 in words is "one trillion, forty-nine billion, one hundred six million, two hundred forty-seven thousand, six hundred eighty-one".

Divisors: 1 19 1423 5399 7187 27037 102581 136553 7682777 10227101 38802613 145972763 194314919 737249647 55216118299 1049106247681