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71067764231071 = 539291443381283
BaseRepresentation
bin10000001010001011000000…
…110101111000101110011111
3100022122000022200101210202121
4100022023000311320232133
533303333240120343241
6411052025152403411
720653322306605666
oct2012130065705637
9308560280353677
1071067764231071
112070a7401a2873
127b794aa546567
13308687a17379a
1413799ab9b5ddd
15833980437ad1
hex40a2c0d78b9f

71067764231071 has 8 divisors (see below), whose sum is σ = 72486608082480. Its totient is φ = 69651807144192.

The previous prime is 71067764231069. The next prime is 71067764231099. The reversal of 71067764231071 is 17013246776017.

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 71067764231071 - 21 = 71067764231069 is a prime.

It is a super-2 number, since 2×710677642310712 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71067764231671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721641405 + ... + 721739878.

It is an arithmetic number, because the mean of its divisors is an integer number (9060826010310).

Almost surely, 271067764231071 is an apocalyptic number.

71067764231071 is a deficient number, since it is larger than the sum of its proper divisors (1418843851409).

71067764231071 is a wasteful number, since it uses less digits than its factorization.

71067764231071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443382265.

The product of its (nonzero) digits is 2074464, while the sum is 52.

The spelling of 71067764231071 in words is "seventy-one trillion, sixty-seven billion, seven hundred sixty-four million, two hundred thirty-one thousand, seventy-one".

Divisors: 1 53 929 49237 1443381283 76499207999 1340901211907 71067764231071