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20130213123130 = 2511505136230833
BaseRepresentation
bin1001001001110111011100…
…01100111101010000111010
32122021102121011102112020211
410210323232030331100322
510114303134024420010
6110451405305141334
74145234306221315
oct444735614752072
978242534375224
1020130213123130
1164611a2572790
12231145378a84a
13b3036a388b16
144d8443b6397c
1524d97679708a
hex124eee33d43a

20130213123130 has 32 divisors (see below), whose sum is σ = 39536245447488. Its totient is φ = 7318628064000.

The previous prime is 20130213123091. The next prime is 20130213123157. The reversal of 20130213123130 is 3132131203102.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 17559807 + ... + 18671026.

It is an arithmetic number, because the mean of its divisors is an integer number (1235507670234).

Almost surely, 220130213123130 is an apocalyptic number.

20130213123130 is a deficient number, since it is larger than the sum of its proper divisors (19406032324358).

20130213123130 is a wasteful number, since it uses less digits than its factorization.

20130213123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36235902.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20130213123130 its reverse (3132131203102), we get a palindrome (23262344326232).

The spelling of 20130213123130 in words is "twenty trillion, one hundred thirty billion, two hundred thirteen million, one hundred twenty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 5051 10102 25255 50510 55561 111122 277805 555610 36230833 72461666 181154165 362308330 398539163 797078326 1992695815 3985391630 183001937483 366003874966 915009687415 1830019374830 2013021312313 4026042624626 10065106561565 20130213123130