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420104345015 = 517233150313781
BaseRepresentation
bin1100001110100000010…
…10111001010110110111
31111011100210102220200202
412013100022321112313
523340333203020030
6520554314031115
742231402004535
oct6072012712667
91434323386622
10420104345015
1115218aa50373
126950411849b
133080081b394
141649428b155
15addb8c6745
hex61d02b95b7

420104345015 has 64 divisors (see below), whose sum is σ = 576139640832. Its totient is φ = 292197734400.

The previous prime is 420104344973. The next prime is 420104345033. The reversal of 420104345015 is 510543401024.

It is not a de Polignac number, because 420104345015 - 210 = 420104343991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30477425 + ... + 30491205.

It is an arithmetic number, because the mean of its divisors is an integer number (9002181888).

Almost surely, 2420104345015 is an apocalyptic number.

420104345015 is a deficient number, since it is larger than the sum of its proper divisors (156035295817).

420104345015 is a wasteful number, since it uses less digits than its factorization.

420104345015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14360.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 420104345015 its reverse (510543401024), we get a palindrome (930647746039).

The spelling of 420104345015 in words is "four hundred twenty billion, one hundred four million, three hundred forty-five thousand, fifteen".

Divisors: 1 5 17 23 31 85 115 155 391 503 527 713 1955 2515 2635 3565 8551 11569 12121 13781 15593 42755 57845 60605 68905 77965 196673 234277 265081 316963 358639 427211 983365 1171385 1325405 1584815 1793195 2136055 5388371 6096863 6931843 7262587 9825853 26941855 30484315 34659215 36312935 49129265 117841331 159432389 167039501 214887133 589206655 797161945 835197505 1074435665 2710350613 3653081261 4942404059 13551753065 18265406305 24712020295 84020869003 420104345015