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2010415284 = 223255844869
BaseRepresentation
bin111011111010100…
…1000000010110100
312012002221200022100
41313311020002310
513104131242114
6531254102100
7100551151023
oct16765100264
95162850270
102010415284
11941910839
1248134a930
13260682c57
1415100a8ba
15bb76d909
hex77d480b4

2010415284 has 18 divisors (see below), whose sum is σ = 5081883170. Its totient is φ = 670138416.

The previous prime is 2010415243. The next prime is 2010415321. The reversal of 2010415284 is 4825140102.

It can be written as a sum of positive squares in only one way, i.e., 1632968100 + 377447184 = 40410^2 + 19428^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×20104152842 = 8083539228281601312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27922399 + ... + 27922470.

Almost surely, 22010415284 is an apocalyptic number.

It is an amenable number.

2010415284 is an abundant number, since it is smaller than the sum of its proper divisors (3071467886).

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

2010415284 is a wasteful number, since it uses less digits than its factorization.

2010415284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55844879 (or 55844874 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 2010415284 is about 44837.6547557965. The cubic root of 2010415284 is about 1262.1043369357.

Adding to 2010415284 its reverse (4825140102), we get a palindrome (6835555386).

The spelling of 2010415284 in words is "two billion, ten million, four hundred fifteen thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 55844869 111689738 167534607 223379476 335069214 502603821 670138428 1005207642 2010415284