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310430104220 = 225117011326511
BaseRepresentation
bin1001000010001110001…
…00110111101010011100
31002200021102000012221102
410201013010313222130
520041230101313340
6354335402252232
731266514230425
oct4410704675234
91080242005842
10310430104220
1110a71a778a45
12501b64b7078
132337296ac02
141104c46464c
15811d1ca215
hex4847137a9c

310430104220 has 24 divisors (see below), whose sum is σ = 651959423808. Its totient is φ = 124161336000.

The previous prime is 310430104217. The next prime is 310430104297. The reversal of 310430104220 is 22401034013.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 310430104192 and 310430104201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429236 + ... + 897275.

It is an arithmetic number, because the mean of its divisors is an integer number (27164975992).

Almost surely, 2310430104220 is an apocalyptic number.

It is an amenable number.

310430104220 is an abundant number, since it is smaller than the sum of its proper divisors (341529319588).

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

310430104220 is a wasteful number, since it uses less digits than its factorization.

310430104220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338221 (or 1338219 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 310430104220 its reverse (22401034013), we get a palindrome (332831138233).

The spelling of 310430104220 in words is "three hundred ten billion, four hundred thirty million, one hundred four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 11701 23402 46804 58505 117010 234020 1326511 2653022 5306044 6632555 13265110 26530220 15521505211 31043010422 62086020844 77607526055 155215052110 310430104220