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1199719404 = 2233131814721
BaseRepresentation
bin100011110000010…
…0100001111101100
310002121111001122000
41013200210033230
54424112010104
6315014052300
741505306132
oct10740441754
93077431560
101199719404
11566234a44
1229594a090
13161726850
14b5499752
15704d2639
hex478243ec

1199719404 has 96 divisors (see below), whose sum is σ = 3368863680. Its totient is φ = 367027200.

The previous prime is 1199719403. The next prime is 1199719453. The reversal of 1199719404 is 4049179911.

It is a self number, because there is not a number n which added to its sum of digits gives 1199719404.

It is not an unprimeable number, because it can be changed into a prime (1199719403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251764 + ... + 256484.

It is an arithmetic number, because the mean of its divisors is an integer number (35092330).

Almost surely, 21199719404 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 1199719404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1684431840).

1199719404 is an abundant number, since it is smaller than the sum of its proper divisors (2169144276).

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

1199719404 is a wasteful number, since it uses less digits than its factorization.

1199719404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4928 (or 4920 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The square root of 1199719404 is about 34636.9658601905. The cubic root of 1199719404 is about 1062.5757355749.

The spelling of 1199719404 in words is "one billion, one hundred ninety-nine million, seven hundred nineteen thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 108 117 156 181 234 351 362 468 543 702 724 1086 1404 1629 2172 2353 3258 4706 4721 4887 6516 7059 9412 9442 9774 14118 14163 18884 19548 21177 28236 28326 42354 42489 56652 61373 63531 84708 84978 122746 127062 127467 169956 184119 245492 254124 254934 368238 509868 552357 736476 854501 1104714 1657071 1709002 2209428 2563503 3314142 3418004 5127006 6628284 7690509 10254012 11108513 15381018 22217026 23071527 30762036 33325539 44434052 46143054 66651078 92286108 99976617 133302156 199953234 299929851 399906468 599859702 1199719404