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20310133210 = 2523310928403
BaseRepresentation
bin10010111010100101…
…000000100111011010
31221102110002200000221
4102322211000213122
5313043343230320
613155204350254
71316206166233
oct227245004732
957373080027
1020310133210
1186825a4764
123b299a538a
131bb8a12b03
14da957608a
157dd0cc3aa
hex4ba9409da

20310133210 has 32 divisors (see below), whose sum is σ = 38161342080. Its totient is φ = 7768060608.

The previous prime is 20310133099. The next prime is 20310133241. The reversal of 20310133210 is 1233101302.

It is a super-2 number, since 2×203101332102 (a number of 21 digits) contains 22 as substring.

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, 700869 + ... + 729271.

It is an arithmetic number, because the mean of its divisors is an integer number (1192541940).

Almost surely, 220310133210 is an apocalyptic number.

20310133210 is a deficient number, since it is larger than the sum of its proper divisors (17851208870).

20310133210 is a wasteful number, since it uses less digits than its factorization.

20310133210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31542.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20310133210 its reverse (1233101302), we get a palindrome (21543234512).

The spelling of 20310133210 in words is "twenty billion, three hundred ten million, one hundred thirty-three thousand, two hundred ten".

Divisors: 1 2 5 10 23 46 115 230 3109 6218 15545 28403 31090 56806 71507 142015 143014 284030 357535 653269 715070 1306538 3266345 6532690 88304927 176609854 441524635 883049270 2031013321 4062026642 10155066605 20310133210