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5215221050 = 2521347170711
BaseRepresentation
bin1001101101101100…
…11111010100111010
3111110110100200100012
410312312133110322
541140044033200
62221300141522
7243144435044
oct46666372472
914413320305
105215221050
112236946846
1210166978a2
13651615020
143768c6a94
15207cbaa35
hex136d9f53a

5215221050 has 48 divisors (see below), whose sum is σ = 10668817152. Its totient is φ = 1884638400.

The previous prime is 5215221029. The next prime is 5215221071. The reversal of 5215221050 is 501225125.

It is an interprime number because it is at equal distance from previous prime (5215221029) and next prime (5215221071).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54806 + ... + 115905.

It is an arithmetic number, because the mean of its divisors is an integer number (222267024).

Almost surely, 25215221050 is an apocalyptic number.

5215221050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5215221050 is an abundant number, since it is smaller than the sum of its proper divisors (5453596102).

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

5215221050 is a wasteful number, since it uses less digits than its factorization.

5215221050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170783 (or 170778 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 5215221050 is about 72216.4873834224. The cubic root of 5215221050 is about 1734.1669574552.

Adding to 5215221050 its reverse (501225125), we get a palindrome (5716446175).

The spelling of 5215221050 in words is "five billion, two hundred fifteen million, two hundred twenty-one thousand, fifty".

Divisors: 1 2 5 10 13 25 26 47 50 65 94 130 235 325 470 611 650 1175 1222 2350 3055 6110 15275 30550 170711 341422 853555 1707110 2219243 4267775 4438486 8023417 8535550 11096215 16046834 22192430 40117085 55481075 80234170 104304421 110962150 200585425 208608842 401170850 521522105 1043044210 2607610525 5215221050