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51468001867068 = 2234289000155589
BaseRepresentation
bin10111011001111010100111…
…11101111111010100111100
320202020021220112122211101220
423230331103331333110330
523221222431434221233
6301244023524033340
713561304031413313
oct1354752375772474
9222207815584356
1051468001867068
1115443503316616
125932a15832850
132294547801bc7
14c9d0c92d927a
155e3c02c8aeb3
hex2ecf53f7f53c

51468001867068 has 12 divisors (see below), whose sum is σ = 120092004356520. Its totient is φ = 17156000622352.

The previous prime is 51468001867039. The next prime is 51468001867181. The reversal of 51468001867068 is 86076810086415.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2144500077783 + ... + 2144500077806.

It is an arithmetic number, because the mean of its divisors is an integer number (10007667029710).

Almost surely, 251468001867068 is an apocalyptic number.

It is an amenable number.

51468001867068 is an abundant number, since it is smaller than the sum of its proper divisors (68624002489452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51468001867068 is a wasteful number, since it uses less digits than its factorization.

51468001867068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4289000155596 (or 4289000155594 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 60.

The spelling of 51468001867068 in words is "fifty-one trillion, four hundred sixty-eight billion, one million, eight hundred sixty-seven thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 4289000155589 8578000311178 12867000466767 17156000622356 25734000933534 51468001867068