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20170401315 = 351779099613
BaseRepresentation
bin10010110010001111…
…111110011000100011
31221001201011112220120
4102302033332120203
5312302110320230
613133253411323
71312561403511
oct226217763043
957051145816
1020170401315
118610736059
123aab039b43
131b95a9a80c
14d94ba14b1
157d0bca310
hex4b23fe623

20170401315 has 16 divisors (see below), whose sum is σ = 34171033248. Its totient is φ = 10124750336.

The previous prime is 20170401301. The next prime is 20170401323. The reversal of 20170401315 is 51310407102.

It is a cyclic number.

It is not a de Polignac number, because 20170401315 - 214 = 20170384931 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 39549552 + ... + 39550061.

It is an arithmetic number, because the mean of its divisors is an integer number (2135689578).

Almost surely, 220170401315 is an apocalyptic number.

20170401315 is a deficient number, since it is larger than the sum of its proper divisors (14000631933).

20170401315 is a wasteful number, since it uses less digits than its factorization.

20170401315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79099638.

The product of its (nonzero) digits is 840, while the sum is 24.

Adding to 20170401315 its reverse (51310407102), we get a palindrome (71480808417).

The spelling of 20170401315 in words is "twenty billion, one hundred seventy million, four hundred one thousand, three hundred fifteen".

Divisors: 1 3 5 15 17 51 85 255 79099613 237298839 395498065 1186494195 1344693421 4034080263 6723467105 20170401315