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71048067068 = 22112146793527
BaseRepresentation
bin100001000101011001…
…0110111011111111100
320210101110110202121102
41002022302313133330
52131001301121233
652350010352232
75063431414526
oct1021262673774
9223343422542
1071048067068
1128149866400
1211929a2b678
136913614194
14361dcb6a16
151cac6391e8
hex108acb77fc

71048067068 has 18 divisors (see below), whose sum is σ = 136664774568. Its totient is φ = 32294575720.

The previous prime is 71048067043. The next prime is 71048067091. The reversal of 71048067068 is 86076084017.

It is a super-2 number, since 2×710480670682 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73396280 + ... + 73397247.

It is an arithmetic number, because the mean of its divisors is an integer number (7592487476).

Almost surely, 271048067068 is an apocalyptic number.

It is an amenable number.

71048067068 is a deficient number, since it is larger than the sum of its proper divisors (65616707500).

71048067068 is a wasteful number, since it uses less digits than its factorization.

71048067068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146793553 (or 146793540 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 71048067068 in words is "seventy-one billion, forty-eight million, sixty-seven thousand, sixty-eight".

Divisors: 1 2 4 11 22 44 121 242 484 146793527 293587054 587174108 1614728797 3229457594 6458915188 17762016767 35524033534 71048067068