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5215039480 = 235731219381
BaseRepresentation
bin1001101101101011…
…10010111111111000
3111110110000110021101
410312311302333320
541140022230410
62221252221144
7243143050510
oct46665627770
914413013241
105215039480
112236832392
12101660a7b4
136515804a1
1437687a840
15207c81d3a
hex136d72ff8

5215039480 has 96 divisors (see below), whose sum is σ = 13857354720. Its totient is φ = 1730246400.

The previous prime is 5215039477. The next prime is 5215039507. The reversal of 5215039480 is 849305125.

It is a congruent number.

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, 259390 + ... + 278770.

It is an arithmetic number, because the mean of its divisors is an integer number (144347445).

Almost surely, 25215039480 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 5215039480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6928677360).

5215039480 is an abundant number, since it is smaller than the sum of its proper divisors (8642315240).

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

5215039480 is a wasteful number, since it uses less digits than its factorization.

5215039480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19461 (or 19426 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 5215039480 is about 72215.2302495810. The cubic root of 5215039480 is about 1734.1468319837.

The spelling of 5215039480 in words is "five billion, two hundred fifteen million, thirty-nine thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 31 35 40 56 62 70 124 140 155 217 248 280 310 434 620 868 961 1085 1240 1736 1922 2170 3844 4340 4805 6727 7688 8680 9610 13454 19220 19381 26908 33635 38440 38762 53816 67270 77524 96905 134540 135667 155048 193810 269080 271334 387620 542668 600811 678335 775240 1085336 1201622 1356670 2403244 2713340 3004055 4205677 4806488 5426680 6008110 8411354 12016220 16822708 18625141 21028385 24032440 33645416 37250282 42056770 74500564 84113540 93125705 130375987 149001128 168227080 186251410 260751974 372502820 521503948 651879935 745005640 1043007896 1303759870 2607519740 5215039480