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442768525147 = 13139947258743
BaseRepresentation
bin1100111000101110000…
…11111000011101011011
31120022212022002120000201
412130113003320131123
524223242220301042
6535223254043031
743663134236464
oct6342703703533
91508768076021
10442768525147
11160860320353
127198a349477
13329a314a760
141760431dd6b
15b7b649e1b7
hex67170f875b

442768525147 has 16 divisors (see below), whose sum is σ = 480767051520. Its totient is φ = 405339007392.

The previous prime is 442768525123. The next prime is 442768525169. The reversal of 442768525147 is 741525867244.

It is a cyclic number.

It is not a de Polignac number, because 442768525147 - 27 = 442768525019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442768525117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1581858 + ... + 1840600.

It is an arithmetic number, because the mean of its divisors is an integer number (30047940720).

Almost surely, 2442768525147 is an apocalyptic number.

442768525147 is a deficient number, since it is larger than the sum of its proper divisors (37998526373).

442768525147 is a wasteful number, since it uses less digits than its factorization.

442768525147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259842.

The product of its digits is 15052800, while the sum is 55.

The spelling of 442768525147 in words is "four hundred forty-two billion, seven hundred sixty-eight million, five hundred twenty-five thousand, one hundred forty-seven".

Divisors: 1 13 139 947 1807 12311 131633 258743 1711229 3363659 35965277 245029621 467548601 3185385073 34059117319 442768525147