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20130010302 = 23139233103591
BaseRepresentation
bin10010101111110101…
…111001010010111110
31220221220011110212010
4102233311321102332
5312211240312202
613125251552050
71311561156453
oct225765712276
956856143763
1020130010302
11859a958756
123a995bb626
131b8a5c7ccc
14d8d68982a
157cc39c76c
hex4afd794be

20130010302 has 32 divisors (see below), whose sum is σ = 40724087040. Its totient is φ = 6633074880.

The previous prime is 20130010283. The next prime is 20130010337. The reversal of 20130010302 is 20301003102.

It is a happy number.

It is a super-2 number, since 2×201300103022 (a number of 21 digits) 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 15 ways as a sum of consecutive naturals, for example, 142527 + ... + 246117.

It is an arithmetic number, because the mean of its divisors is an integer number (1272627720).

Almost surely, 220130010302 is an apocalyptic number.

20130010302 is an abundant number, since it is smaller than the sum of its proper divisors (20594076738).

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

20130010302 is a wasteful number, since it uses less digits than its factorization.

20130010302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103968.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20130010302 its reverse (20301003102), we get a palindrome (40431013404).

The spelling of 20130010302 in words is "twenty billion, one hundred thirty million, ten thousand, three hundred two".

Divisors: 1 2 3 6 139 233 278 417 466 699 834 1398 32387 64774 97161 103591 194322 207182 310773 621546 14399149 24136703 28798298 43197447 48273406 72410109 86394894 144820218 3355001717 6710003434 10065005151 20130010302