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1071929971 = 7173885161
BaseRepresentation
bin111111111001000…
…101101001110011
32202201000200111001
4333321011221303
54143403224341
6254211102431
735364153160
oct7771055163
92681020431
101071929971
11500092942
1225aba1a17
131411032b8
14a2513067
156418dd31
hex3fe45a73

1071929971 has 8 divisors (see below), whose sum is σ = 1232145504. Its totient is φ = 913485120.

The previous prime is 1071929941. The next prime is 1071930031. The reversal of 1071929971 is 1799291701.

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 1071929971 - 217 = 1071798899 is a prime.

It is a super-2 number, since 2×10719299712 = 2298067725456121682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1071929921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441370 + ... + 443791.

It is an arithmetic number, because the mean of its divisors is an integer number (154018188).

Almost surely, 21071929971 is an apocalyptic number.

1071929971 is a deficient number, since it is larger than the sum of its proper divisors (160215533).

1071929971 is an equidigital number, since it uses as much as digits as its factorization.

1071929971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885341.

The product of its (nonzero) digits is 71442, while the sum is 46.

The square root of 1071929971 is about 32740.3416445217. The cubic root of 1071929971 is about 1023.4237031698.

The spelling of 1071929971 in words is "one billion, seventy-one million, nine hundred twenty-nine thousand, nine hundred seventy-one".

Divisors: 1 7 173 1211 885161 6196127 153132853 1071929971