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71942339462668 = 2231580180156957
BaseRepresentation
bin10000010110111001100001…
…100101101000011000001100
3100102201121202022222211110221
4100112321201211220120030
533412200402400301133
6413001504323041124
721103443144454213
oct2026714145503014
9312647668884427
1071942339462668
1120a17636103874
12809aaa7b101a4
13311b1973c211c
1413aa05644407a
1584b5ba839a2d
hex416e6196860c

71942339462668 has 12 divisors (see below), whose sum is σ = 129960355158592. Its totient is φ = 34810809417360.

The previous prime is 71942339462657. The next prime is 71942339462681. The reversal of 71942339462668 is 86626493324917.

It is a super-3 number, since 3×719423394626683 (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71942339462597 and 71942339462606.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 290090078355 + ... + 290090078602.

Almost surely, 271942339462668 is an apocalyptic number.

It is an amenable number.

71942339462668 is a deficient number, since it is larger than the sum of its proper divisors (58018015695924).

71942339462668 is a wasteful number, since it uses less digits than its factorization.

71942339462668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580180156992 (or 580180156990 counting only the distinct ones).

The product of its digits is 564350976, while the sum is 70.

The spelling of 71942339462668 in words is "seventy-one trillion, nine hundred forty-two billion, three hundred thirty-nine million, four hundred sixty-two thousand, six hundred sixty-eight".

Divisors: 1 2 4 31 62 124 580180156957 1160360313914 2320720627828 17985584865667 35971169731334 71942339462668