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1071338667 = 37712832539
BaseRepresentation
bin111111110110110…
…101010010101011
32202122220122100220
4333312311102223
54143230314132
6254150301123
735356141230
oct7766652253
92678818326
101071338667
114aa819663
1225a9577a3
13140c57109
14a23db787
15640c3a2c
hex3fdb54ab

1071338667 has 32 divisors (see below), whose sum is σ = 1662013440. Its totient is φ = 601201440.

The previous prime is 1071338621. The next prime is 1071338683. The reversal of 1071338667 is 7668331701.

It is not a de Polignac number, because 1071338667 - 212 = 1071334571 is a prime.

It is a super-2 number, since 2×10713386672 = 2295533078818673778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1071348667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 420684 + ... + 423222.

It is an arithmetic number, because the mean of its divisors is an integer number (51937920).

Almost surely, 21071338667 is an apocalyptic number.

1071338667 is a deficient number, since it is larger than the sum of its proper divisors (590674773).

1071338667 is a wasteful number, since it uses less digits than its factorization.

1071338667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 1071338667 is about 32731.3101937579. The cubic root of 1071338667 is about 1023.2354863233.

The spelling of 1071338667 in words is "one billion, seventy-one million, three hundred thirty-eight thousand, six hundred sixty-seven".

Divisors: 1 3 7 21 71 213 283 497 849 1491 1981 2539 5943 7617 17773 20093 53319 60279 140651 180269 421953 540807 718537 1261883 2155611 3785649 5029759 15089277 51016127 153048381 357112889 1071338667