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13457801334690 = 234516614569549
BaseRepresentation
bin1100001111010110001101…
…1101111100111110100010
31202122112221022110221020000
43003311203131330332202
53230443034120202230
644342232324000430
72556202601630226
oct303654335747642
952575838427200
1013457801334690
114319470011389
121614266530116
137680b039b93b
1434750aa6a786
1518510577bb60
hexc3d6377cfa2

13457801334690 has 40 divisors (see below), whose sum is σ = 36186532479900. Its totient is φ = 3588747022368.

The previous prime is 13457801334673. The next prime is 13457801334737. The reversal of 13457801334690 is 9643310875431.

13457801334690 is a `hidden beast` number, since 1 + 3 + 4 + 578 + 0 + 1 + 3 + 3 + 4 + 69 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11322868312809 + 2134933021881 = 3364947^2 + 1461141^2 .

It is a super-2 number, since 2×134578013346902 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8307283965 + ... + 8307285584.

Almost surely, 213457801334690 is an apocalyptic number.

13457801334690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13457801334690 is an abundant number, since it is smaller than the sum of its proper divisors (22728731145210).

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

13457801334690 is a wasteful number, since it uses less digits than its factorization.

13457801334690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16614569568 (or 16614569559 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 13457801334690 in words is "thirteen trillion, four hundred fifty-seven billion, eight hundred one million, three hundred thirty-four thousand, six hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 16614569549 33229139098 49843708647 83072847745 99687417294 149531125941 166145695490 249218543235 299062251882 448593377823 498437086470 747655629705 897186755646 1345780133469 1495311259410 2242966889115 2691560266938 4485933778230 6728900667345 13457801334690