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1071275140 = 2251323179143
BaseRepresentation
bin111111110110100…
…101110010000100
32202122210102020001
4333312211302010
54143221301030
6254145051044
735355455065
oct7766456204
92678712201
101071275140
114aa785961
1225a926a84
13140c34220
14a23c256c
15640aecca
hex3fda5c84

1071275140 has 48 divisors (see below), whose sum is σ = 2528080128. Its totient is φ = 378347904.

The previous prime is 1071275131. The next prime is 1071275201. The reversal of 1071275140 is 415721701.

It is a super-2 number, since 2×10712751402 = 2295260851164039200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1071275099 and 1071275108.

It is an unprimeable number.

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, 83592 + ... + 95551.

It is an arithmetic number, because the mean of its divisors is an integer number (52668336).

Almost surely, 21071275140 is an apocalyptic number.

1071275140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1071275140 is an abundant number, since it is smaller than the sum of its proper divisors (1456804988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1071275140 is a wasteful number, since it uses less digits than its factorization.

1071275140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179188 (or 179186 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 1071275140 is about 32730.3397477020. The cubic root of 1071275140 is about 1023.2152610457.

Adding to 1071275140 its reverse (415721701), we get a palindrome (1486996841).

The spelling of 1071275140 in words is "one billion, seventy-one million, two hundred seventy-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 23 26 46 52 65 92 115 130 230 260 299 460 598 1196 1495 2990 5980 179143 358286 716572 895715 1791430 2328859 3582860 4120289 4657718 8240578 9315436 11644295 16481156 20601445 23288590 41202890 46577180 53563757 82405780 107127514 214255028 267818785 535637570 1071275140