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420116107770 = 23258563545131
BaseRepresentation
bin1100001110100001101…
…11110001000111111010
31111011101121120112011100
412013100313301013322
523340344210422040
6520555414112230
742231603665352
oct6072067610772
91434347515140
10420116107770
11152196654957
126950804b676
13308030a93a8
1416495a6db62
15addc94bb30
hex61d0df11fa

420116107770 has 48 divisors (see below), whose sum is σ = 1092431444832. Its totient is φ = 112017673440.

The previous prime is 420116107751. The next prime is 420116107787. The reversal of 420116107770 is 77701611024.

420116107770 is a `hidden beast` number, since 4 + 20 + 11 + 610 + 7 + 7 + 7 + 0 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 498105 + ... + 1043235.

It is an arithmetic number, because the mean of its divisors is an integer number (22758988434).

Almost surely, 2420116107770 is an apocalyptic number.

420116107770 is an abundant number, since it is smaller than the sum of its proper divisors (672315337062).

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

420116107770 is a wasteful number, since it uses less digits than its factorization.

420116107770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553707 (or 553704 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

Adding to 420116107770 its reverse (77701611024), we get a palindrome (497817718794).

The spelling of 420116107770 in words is "four hundred twenty billion, one hundred sixteen million, one hundred seven thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 8563 17126 25689 42815 51378 77067 85630 128445 154134 256890 385335 545131 770670 1090262 1635393 2725655 3270786 4906179 5451310 8176965 9812358 16353930 24530895 49061790 4667956753 9335913506 14003870259 23339783765 28007740518 42011610777 46679567530 70019351295 84023221554 140038702590 210058053885 420116107770