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20123130000300 = 2235282980913269
BaseRepresentation
bin1001001001101010010000…
…00000111111001110101100
32122020202022112021121101020
410210311020000333032230
510114144132240002200
6110444234401214140
74144563630531405
oct444651000771654
978222275247336
1020123130000300
116459198304768
12230bbb7631350
13b2c7aba9b292
144d7d7116a9ac
1524d6aea0dea0
hex124d4803f3ac

20123130000300 has 72 divisors (see below), whose sum is σ = 58293156238800. Its totient is φ = 5359694872320.

The previous prime is 20123130000227. The next prime is 20123130000313. The reversal of 20123130000300 is 300003132102.

It is a super-2 number, since 2×201231300003002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20123130000300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40207935 + ... + 40705334.

Almost surely, 220123130000300 is an apocalyptic number.

20123130000300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20123130000300 is an abundant number, since it is smaller than the sum of its proper divisors (38170026238500).

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

20123130000300 is a wasteful number, since it uses less digits than its factorization.

20123130000300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80914115 (or 80914108 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20123130000300 its reverse (300003132102), we get a palindrome (20423133132402).

The spelling of 20123130000300 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty million, three hundred", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 829 1658 2487 3316 4145 4974 8290 9948 12435 16580 20725 24870 41450 49740 62175 82900 124350 248700 80913269 161826538 242739807 323653076 404566345 485479614 809132690 970959228 1213699035 1618265380 2022831725 2427398070 4045663450 4854796140 6068495175 8091326900 12136990350 24273980700 67077100001 134154200002 201231300003 268308400004 335385500005 402462600006 670771000010 804925200012 1006156500015 1341542000020 1676927500025 2012313000030 3353855000050 4024626000060 5030782500075 6707710000100 10061565000150 20123130000300