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71283052071 = 32711434615189
BaseRepresentation
bin100001001100011001…
…1010000111000100111
320210222211122020102200
41002120303100320213
52131441430131241
652425203105543
75102313642150
oct1023063207047
9223884566380
1071283052071
112825a474090
12119946722b3
1369501ca46a
1436431a4927
151cc30a44b6
hex1098cd0e27

71283052071 has 96 divisors (see below), whose sum is σ = 131666895360. Its totient is φ = 36083577600.

The previous prime is 71283052069. The next prime is 71283052073. The reversal of 71283052071 is 17025038217.

71283052071 is a `hidden beast` number, since 7 + 128 + 3 + 0 + 520 + 7 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (71283052069) and next prime (71283052073).

It is not a de Polignac number, because 71283052071 - 21 = 71283052069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71283052073) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13734745 + ... + 13739933.

It is an arithmetic number, because the mean of its divisors is an integer number (1371530160).

Almost surely, 271283052071 is an apocalyptic number.

71283052071 is a deficient number, since it is larger than the sum of its proper divisors (60383843289).

71283052071 is a wasteful number, since it uses less digits than its factorization.

71283052071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5717 (or 5714 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The spelling of 71283052071 in words is "seventy-one billion, two hundred eighty-three million, fifty-two thousand, seventy-one".

Divisors: 1 3 7 9 11 21 33 43 63 77 99 129 231 301 387 461 473 693 903 1383 1419 2709 3227 3311 4149 4257 5071 5189 9681 9933 15213 15567 19823 29043 29799 35497 36323 45639 46701 57079 59469 106491 108969 138761 171237 178407 218053 223127 319473 326907 399553 416283 513711 654159 669381 1198659 1248849 1526371 1561889 1962477 2008143 2392129 2454397 3595977 4579113 4685667 7176387 7363191 13737339 14057001 16744903 17180779 21529161 22089573 26313419 50234709 51542337 78940257 102861547 150704127 154627011 184193933 236820771 308584641 552581799 720030829 925753923 1131477017 1657745397 2160092487 3394431051 6480277461 7920339119 10183293153 23761017357 71283052071