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20123130130102 = 261164943689591
BaseRepresentation
bin1001001001101010010000…
…00001011110111010110110
32122020202022112112012102201
410210311020001132322312
510114144132303130402
6110444234404055114
74144563631612006
oct444651001367266
978222275465381
1020123130130102
11645919839323a
12230bbb769449a
13b2c7abb1539c
144d7d711a2006
1524d6aea37687
hex124d4805eeb6

20123130130102 has 8 divisors (see below), whose sum is σ = 30679526264112. Its totient is φ = 9896621375400.

The previous prime is 20123130130049. The next prime is 20123130130127. The reversal of 20123130130102 is 20103103132102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20123130130102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82471844674 + ... + 82471844917.

It is an arithmetic number, because the mean of its divisors is an integer number (3834940783014).

Almost surely, 220123130130102 is an apocalyptic number.

20123130130102 is a deficient number, since it is larger than the sum of its proper divisors (10556396134010).

20123130130102 is a wasteful number, since it uses less digits than its factorization.

20123130130102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164943689654.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20123130130102 its reverse (20103103132102), we get a palindrome (40226233262204).

The spelling of 20123130130102 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty million, one hundred thirty thousand, one hundred two".

Divisors: 1 2 61 122 164943689591 329887379182 10061565065051 20123130130102