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5215533020 = 2251752129443
BaseRepresentation
bin1001101101101111…
…01011011111011100
3111110110221112021122
410312313223133130
541140134024040
62221310550112
7243150204425
oct46667533734
914413845248
105215533020
11223703a175
121016808338
136516c4019
1437696864c
15207d2d1b5
hex136deb7dc

5215533020 has 48 divisors (see below), whose sum is σ = 11619544608. Its totient is φ = 1959659520.

The previous prime is 5215533019. The next prime is 5215533053. The reversal of 5215533020 is 203355125.

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, 162419 + ... + 191861.

It is an arithmetic number, because the mean of its divisors is an integer number (242073846).

Almost surely, 25215533020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5215533020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5809772304).

5215533020 is an abundant number, since it is smaller than the sum of its proper divisors (6404011588).

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

5215533020 is a wasteful number, since it uses less digits than its factorization.

5215533020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29990 (or 29988 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 5215533020 is about 72218.6473149421. The cubic root of 5215533020 is about 1734.2015355535.

Adding to 5215533020 its reverse (203355125), we get a palindrome (5418888145).

The spelling of 5215533020 in words is "five billion, two hundred fifteen million, five hundred thirty-three thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 521 1042 2084 2605 5210 8857 10420 17714 29443 35428 44285 58886 88570 117772 147215 177140 294430 500531 588860 1001062 2002124 2502655 5005310 10010620 15339803 30679606 61359212 76699015 153398030 260776651 306796060 521553302 1043106604 1303883255 2607766510 5215533020