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13213001201240 = 2351572103981083
BaseRepresentation
bin1100000001000110010000…
…1111100011011001011000
31201210011001202211200000202
43000101210033203121120
53212440211301414430
644033545143321332
72532415326055241
oct300214417433130
951704052750022
1013213001201240
114234669796905
121594927450248
1374ac996a9c79
14339726aa5cc8
1517da791e8d45
hexc04643e3658

13213001201240 has 32 divisors (see below), whose sum is σ = 29918611014480. Its totient is φ = 5251536780672.

The previous prime is 13213001201189. The next prime is 13213001201287. The reversal of 13213001201240 is 4210210031231.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051984262 + ... + 1051996821.

Almost surely, 213213001201240 is an apocalyptic number.

13213001201240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13213001201240 is an abundant number, since it is smaller than the sum of its proper divisors (16705609813240).

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

13213001201240 is a wasteful number, since it uses less digits than its factorization.

13213001201240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103981251 (or 2103981247 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13213001201240 its reverse (4210210031231), we get a palindrome (17423211232471).

The spelling of 13213001201240 in words is "thirteen trillion, two hundred thirteen billion, one million, two hundred one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 157 314 628 785 1256 1570 3140 6280 2103981083 4207962166 8415924332 10519905415 16831848664 21039810830 42079621660 84159243320 330325030031 660650060062 1321300120124 1651625150155 2642600240248 3303250300310 6606500600620 13213001201240