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13043552620 = 2257611315241
BaseRepresentation
bin11000010010111010…
…01101000101101100
31020200000202010102111
430021131031011230
5203203122140440
65554144333404
7641142240130
oct141135150554
936600663374
1013043552620
11559382215a
122640314264
1312cb410597
148ba4653c0
155151a64ea
hex30974d16c

13043552620 has 48 divisors (see below), whose sum is σ = 31311701568. Its totient is φ = 4471050240.

The previous prime is 13043552603. The next prime is 13043552623. The reversal of 13043552620 is 2625534031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13043552623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 848200 + ... + 863440.

It is an arithmetic number, because the mean of its divisors is an integer number (652327116).

Almost surely, 213043552620 is an apocalyptic number.

13043552620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13043552620 is an abundant number, since it is smaller than the sum of its proper divisors (18268148948).

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

13043552620 is a wasteful number, since it uses less digits than its factorization.

13043552620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21370 (or 21368 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 13043552620 in words is "thirteen billion, forty-three million, five hundred fifty-two thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 6113 12226 15241 24452 30482 30565 42791 60964 61130 76205 85582 106687 122260 152410 171164 213374 213955 304820 426748 427910 533435 855820 1066870 2133740 93168233 186336466 372672932 465841165 652177631 931682330 1304355262 1863364660 2608710524 3260888155 6521776310 13043552620