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428019918710 = 2555697685759
BaseRepresentation
bin1100011101001111111…
…10011010011101110110
31111220210102222201110212
412032213332122131312
524003041044344320
6524344000145422
742631506165056
oct6164776323566
91456712881425
10428019918710
111555820a400a
126ab53008272
13314927114b7
1416a05659566
15b2017969c5
hex63a7f9a776

428019918710 has 16 divisors (see below), whose sum is σ = 770574297600. Its totient is φ = 171177202176.

The previous prime is 428019918701. The next prime is 428019918713. The reversal of 428019918710 is 17819910824.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428019918713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3787190 + ... + 3898569.

It is an arithmetic number, because the mean of its divisors is an integer number (48160893600).

Almost surely, 2428019918710 is an apocalyptic number.

428019918710 is a deficient number, since it is larger than the sum of its proper divisors (342554378890).

428019918710 is a wasteful number, since it uses less digits than its factorization.

428019918710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7691335.

The product of its (nonzero) digits is 290304, while the sum is 50.

The spelling of 428019918710 in words is "four hundred twenty-eight billion, nineteen million, nine hundred eighteen thousand, seven hundred ten".

Divisors: 1 2 5 10 5569 11138 27845 55690 7685759 15371518 38428795 76857590 42801991871 85603983742 214009959355 428019918710