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13100003000420 = 2257263355784981
BaseRepresentation
bin1011111010100001010100…
…0001101000000001100100
31201101100101201210022022212
42332220111001220001210
53204112301232003140
643510020331542552
72521305200154440
oct276502501500144
951340351708285
1013100003000420
1141a07531a5086
121576a505baa58
1374042bca874b
14334087627820
1517ab63cb5765
hexbea15068064

13100003000420 has 48 divisors (see below), whose sum is σ = 31559551043328. Its totient is φ = 4474351908480.

The previous prime is 13100003000407. The next prime is 13100003000429. The reversal of 13100003000420 is 2400030000131.

It is a super-2 number, since 2×131000030004202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 13100003000395 and 13100003000404.

It is not an unprimeable number, because it can be changed into a prime (13100003000429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177855671 + ... + 177929310.

It is an arithmetic number, because the mean of its divisors is an integer number (657490646736).

Almost surely, 213100003000420 is an apocalyptic number.

13100003000420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13100003000420 is an abundant number, since it is smaller than the sum of its proper divisors (18459548042908).

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

13100003000420 is a wasteful number, since it uses less digits than its factorization.

13100003000420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355785260 (or 355785258 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 13100003000420 its reverse (2400030000131), we get a palindrome (15500033000551).

The spelling of 13100003000420 in words is "thirteen trillion, one hundred billion, three million, four hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 263 526 1052 1315 1841 2630 3682 5260 7364 9205 18410 36820 355784981 711569962 1423139924 1778924905 2490494867 3557849810 4980989734 7115699620 9961979468 12452474335 24904948670 49809897340 93571450003 187142900006 374285800012 467857250015 655000150021 935714500030 1310000300042 1871429000060 2620000600084 3275000750105 6550001500210 13100003000420