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5143720452 = 2231373451679
BaseRepresentation
bin1001100101001011…
…01111001000000100
3111021110211001221220
410302211233020010
541013243023302
62210223440340
7241315621353
oct46245571004
914243731856
105143720452
1121aa550342
12bb67560b0
1363c86c490
1436b1d399a
152018954bc
hex13296f204

5143720452 has 48 divisors (see below), whose sum is σ = 13102333440. Its totient is φ = 1560999168.

The previous prime is 5143720441. The next prime is 5143720487. The reversal of 5143720452 is 2540273415.

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, 214452 + ... + 237227.

It is an arithmetic number, because the mean of its divisors is an integer number (272965280).

Almost surely, 25143720452 is an apocalyptic number.

5143720452 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5143720452 is an abundant number, since it is smaller than the sum of its proper divisors (7958612988).

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

5143720452 is a wasteful number, since it uses less digits than its factorization.

5143720452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451772 (or 451770 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 5143720452 is about 71719.7354429030. The cubic root of 5143720452 is about 1726.2053273890.

Adding to 5143720452 its reverse (2540273415), we get a palindrome (7683993867).

The spelling of 5143720452 in words is "five billion, one hundred forty-three million, seven hundred twenty thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 73 78 146 156 219 292 438 876 949 1898 2847 3796 5694 11388 451679 903358 1355037 1806716 2710074 5420148 5871827 11743654 17615481 23487308 32972567 35230962 65945134 70461924 98917701 131890268 197835402 395670804 428643371 857286742 1285930113 1714573484 2571860226 5143720452