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5351220520 = 235853915667
BaseRepresentation
bin1001111101111010…
…10010010100101000
3111210221021011112121
410332331102110220
541424403024040
62242555121024
7246415424002
oct47675222450
914727234477
105351220520
1122a66961a8
121054143174
13673851499
1438a9a9372
15214bd1c4a
hex13ef52528

5351220520 has 32 divisors (see below), whose sum is σ = 12042424800. Its totient is φ = 2140100928.

The previous prime is 5351220517. The next prime is 5351220529. The reversal of 5351220520 is 250221535.

It is a happy number.

It is a super-2 number, since 2×53512205202 = 57271122107338140800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5351220529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333727 + ... + 349393.

It is an arithmetic number, because the mean of its divisors is an integer number (376325775).

Almost surely, 25351220520 is an apocalyptic number.

It is an amenable number.

5351220520 is an abundant number, since it is smaller than the sum of its proper divisors (6691204280).

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

5351220520 is a wasteful number, since it uses less digits than its factorization.

5351220520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24217 (or 24213 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 5351220520 is about 73152.0370188008. The cubic root of 5351220520 is about 1749.1119870175. Note that the first 3 decimals are identical.

The spelling of 5351220520 in words is "five billion, three hundred fifty-one million, two hundred twenty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 8539 15667 17078 31334 34156 42695 62668 68312 78335 85390 125336 156670 170780 313340 341560 626680 133780513 267561026 535122052 668902565 1070244104 1337805130 2675610260 5351220520