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13043398580 = 2251753723829
BaseRepresentation
bin11000010010111001…
…00111011110110100
31020200000110022010022
430021130213132310
5203203102223310
65554141144312
7641141026052
oct141134473664
936600408108
1013043398580
115593727453
12264025b098
1312cb388434
148ba4251d2
15515175a55
hex3097277b4

13043398580 has 48 divisors (see below), whose sum is σ = 29549635920. Its totient is φ = 4817799168.

The previous prime is 13043398579. The next prime is 13043398591. The reversal of 13043398580 is 8589334031.

It can be written as a sum of positive squares in 8 ways, for example, as 676624144 + 12366774436 = 26012^2 + 111206^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343895 + ... + 379934.

It is an arithmetic number, because the mean of its divisors is an integer number (615617415).

Almost surely, 213043398580 is an apocalyptic number.

13043398580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13043398580 is an abundant number, since it is smaller than the sum of its proper divisors (16506237340).

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

13043398580 is a wasteful number, since it uses less digits than its factorization.

13043398580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723908 (or 723906 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 13043398580 in words is "thirteen billion, forty-three million, three hundred ninety-eight thousand, five hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 53 68 85 106 170 212 265 340 530 901 1060 1802 3604 4505 9010 18020 723829 1447658 2895316 3619145 7238290 12305093 14476580 24610186 38362937 49220372 61525465 76725874 123050930 153451748 191814685 246101860 383629370 652169929 767258740 1304339858 2608679716 3260849645 6521699290 13043398580