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2131022010 = 2351342112979
BaseRepresentation
bin111111100000100…
…1101000010111010
312111111220010122010
41333001031002322
513331020201020
6551243110350
7103544250105
oct17701150272
95444803563
102131022010
119a39a7417
124b58123b6
1327c660090
1416304373c
15c7143de0
hex7f04d0ba

2131022010 has 64 divisors (see below), whose sum is σ = 5521380480. Its totient is φ = 523272960.

The previous prime is 2131022009. The next prime is 2131022021. The reversal of 2131022010 is 102201312.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157701 + ... + 170679.

It is an arithmetic number, because the mean of its divisors is an integer number (86271570).

Almost surely, 22131022010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2131022010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2760690240).

2131022010 is an abundant number, since it is smaller than the sum of its proper divisors (3390358470).

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

2131022010 is a wasteful number, since it uses less digits than its factorization.

2131022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13423.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2131022010 is about 46162.9939453671. The cubic root of 2131022010 is about 1286.8541035278.

Adding to 2131022010 its reverse (102201312), we get a palindrome (2233223322).

The spelling of 2131022010 in words is "two billion, one hundred thirty-one million, twenty-two thousand, ten".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 421 842 1263 2105 2526 4210 5473 6315 10946 12630 12979 16419 25958 27365 32838 38937 54730 64895 77874 82095 129790 164190 168727 194685 337454 389370 506181 843635 1012362 1687270 2530905 5061810 5464159 10928318 16392477 27320795 32784954 54641590 71034067 81962385 142068134 163924770 213102201 355170335 426204402 710340670 1065511005 2131022010