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872069663442 = 23672169327521
BaseRepresentation
bin11001011000010110110…
…01110000101011010010
310002100222000220222100210
430230023121300223102
5103241444313212232
61504342343224550
7120001461555615
oct14541331605322
93070860828323
10872069663442
1130692a65461a
1212101a448156
136430b11c943
14302cbbac17c
1517a404765cc
hexcb0b670ad2

872069663442 has 16 divisors (see below), whose sum is σ = 1770171257952. Its totient is φ = 286351232640.

The previous prime is 872069663411. The next prime is 872069663489. The reversal of 872069663442 is 244366960278.

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 7 ways as a sum of consecutive naturals, for example, 1084663359 + ... + 1084664162.

It is an arithmetic number, because the mean of its divisors is an integer number (110635703622).

Almost surely, 2872069663442 is an apocalyptic number.

872069663442 is an abundant number, since it is smaller than the sum of its proper divisors (898101594510).

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

872069663442 is a wasteful number, since it uses less digits than its factorization.

872069663442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169327593.

The product of its (nonzero) digits is 20901888, while the sum is 57.

The spelling of 872069663442 in words is "eight hundred seventy-two billion, sixty-nine million, six hundred sixty-three thousand, four hundred forty-two".

Divisors: 1 2 3 6 67 134 201 402 2169327521 4338655042 6507982563 13015965126 145344943907 290689887814 436034831721 872069663442