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13312204131400 = 235266561020657
BaseRepresentation
bin1100000110110111110100…
…1100101100110001001000
31202010122010101122200000021
43001231331030230301020
53221101343224201100
644151313034350224
72542526554053046
oct301557514546110
952118111580007
1013312204131400
1142727462025a9
1215abbb228b374
13757449021445
14340457d21396
15181433489a1a
hexc1b7d32cc48

13312204131400 has 24 divisors (see below), whose sum is σ = 30950874605970. Its totient is φ = 5324881652480.

The previous prime is 13312204131377. The next prime is 13312204131409. The reversal of 13312204131400 is 413140221331.

It can be written as a sum of positive squares in 3 ways, for example, as 9547494369604 + 3764709761796 = 3089902^2 + 1940286^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (13312204131409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33280510129 + ... + 33280510528.

Almost surely, 213312204131400 is an apocalyptic number.

13312204131400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13312204131400 is an abundant number, since it is smaller than the sum of its proper divisors (17638670474570).

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

13312204131400 is a wasteful number, since it uses less digits than its factorization.

13312204131400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66561020673 (or 66561020664 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 13312204131400 its reverse (413140221331), we get a palindrome (13725344352731).

The spelling of 13312204131400 in words is "thirteen trillion, three hundred twelve billion, two hundred four million, one hundred thirty-one thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 66561020657 133122041314 266244082628 332805103285 532488165256 665610206570 1331220413140 1664025516425 2662440826280 3328051032850 6656102065700 13312204131400