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1210428898 = 27166951803
BaseRepresentation
bin100100000100101…
…1010110111100010
310010100122011021221
41020021122313202
54434332211043
6320035405254
741665322140
oct11011326742
93110564257
101210428898
1157128a168
1229945382a
13163a06323
14b6a86590
15713ea8ed
hex4825ade2

1210428898 has 16 divisors (see below), whose sum is σ = 2076304320. Its totient is φ = 518434416.

The previous prime is 1210428871. The next prime is 1210428899. The reversal of 1210428898 is 8988240121.

It is a super-2 number, since 2×12104288982 = 2930276234226988808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1210428899) 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, 2536 + ... + 49267.

It is an arithmetic number, because the mean of its divisors is an integer number (129769020).

Almost surely, 21210428898 is an apocalyptic number.

1210428898 is a deficient number, since it is larger than the sum of its proper divisors (865875422).

1210428898 is a wasteful number, since it uses less digits than its factorization.

1210428898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53481.

The product of its (nonzero) digits is 73728, while the sum is 43.

The square root of 1210428898 is about 34791.2186909283. The cubic root of 1210428898 is about 1065.7281267607.

The spelling of 1210428898 in words is "one billion, two hundred ten million, four hundred twenty-eight thousand, eight hundred ninety-eight".

Divisors: 1 2 7 14 1669 3338 11683 23366 51803 103606 362621 725242 86459207 172918414 605214449 1210428898