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1368927036 = 2232375319391
BaseRepresentation
bin101000110011000…
…0010101100111100
310112101212200212100
41101212002230330
510300421131121
6343500505100
745631454631
oct12146025474
93471780770
101368927036
116427a6164
1232254b190
1318a7bc2c9
14cdb44188
15802a8026
hex51982b3c

1368927036 has 72 divisors (see below), whose sum is σ = 3621106944. Its totient is φ = 435576960.

The previous prime is 1368927019. The next prime is 1368927061. The reversal of 1368927036 is 6307298631.

It is a super-2 number, since 2×13689270362 = 3747922459783490592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1368926982 and 1368927000.

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, 60901 + ... + 80291.

It is an arithmetic number, because the mean of its divisors is an integer number (50293152).

Almost surely, 21368927036 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 1368927036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1810553472).

1368927036 is an abundant number, since it is smaller than the sum of its proper divisors (2252179908).

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

1368927036 is a wasteful number, since it uses less digits than its factorization.

1368927036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19491 (or 19486 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 1368927036 is about 36999.0139868619. The cubic root of 1368927036 is about 1110.3505199305.

The spelling of 1368927036 in words is "one billion, three hundred sixty-eight million, nine hundred twenty-seven thousand, thirty-six".

Divisors: 1 2 3 4 6 9 12 18 36 37 53 74 106 111 148 159 212 222 318 333 444 477 636 666 954 1332 1908 1961 3922 5883 7844 11766 17649 19391 23532 35298 38782 58173 70596 77564 116346 174519 232692 349038 698076 717467 1027723 1434934 2055446 2152401 2869868 3083169 4110892 4304802 6166338 6457203 8609604 9249507 12332676 12914406 18499014 25828812 36998028 38025751 76051502 114077253 152103004 228154506 342231759 456309012 684463518 1368927036