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1071279313811 = 721031151918427
BaseRepresentation
bin11111001011011010011…
…10010001001110010011
310210102011022000201222122
433211231032101032103
5120022440001020221
62140050001324455
7140253204631400
oct17455516211623
93712138021878
101071279313811
11383366276403
1215375533672b
137a0377875c5
1439bc8d172a7
151ccee32ceab
hexf96d391393

1071279313811 has 24 divisors (see below), whose sum is σ = 1258458439680. Its totient is φ = 909196181712.

The previous prime is 1071279313807. The next prime is 1071279313817. The reversal of 1071279313811 is 1183139721701.

It is not a de Polignac number, because 1071279313811 - 22 = 1071279313807 is a prime.

It is a super-2 number, since 2×10712793138112 (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 (1071279313817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58127180 + ... + 58145606.

It is an arithmetic number, because the mean of its divisors is an integer number (52435768320).

Almost surely, 21071279313811 is an apocalyptic number.

1071279313811 is a deficient number, since it is larger than the sum of its proper divisors (187179125869).

1071279313811 is a wasteful number, since it uses less digits than its factorization.

1071279313811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30063 (or 30056 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 44.

The spelling of 1071279313811 in words is "one trillion, seventy-one billion, two hundred seventy-nine million, three hundred thirteen thousand, eight hundred eleven".

Divisors: 1 7 49 103 721 5047 11519 18427 80633 128989 564431 902923 1186457 1897981 8305199 13285867 58136393 93001069 212260613 1485824291 10400770037 21862843139 153039901973 1071279313811