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490106890704 = 243232963149827
BaseRepresentation
bin1110010000111001010…
…01011010100111010000
31201212001101120200121010
413020130221122213100
531012214331000304
61013052455330520
750260206556164
oct7103451324720
91655041520533
10490106890704
11179942621012
127ab9b980a40
13372a8647652
1419a15366ca4
15cb3733b789
hex721ca5a9d0

490106890704 has 80 divisors (see below), whose sum is σ = 1321612411392. Its totient is φ = 156212183424.

The previous prime is 490106890699. The next prime is 490106890769. The reversal of 490106890704 is 407098601094.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 3196239 + ... + 3346065.

Almost surely, 2490106890704 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 490106890704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660806205696).

490106890704 is an abundant number, since it is smaller than the sum of its proper divisors (831505520688).

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

490106890704 is a wasteful number, since it uses less digits than its factorization.

490106890704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152824 (or 152818 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 490106890704 in words is "four hundred ninety billion, one hundred six million, eight hundred ninety thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 12 16 23 24 46 48 69 92 138 184 276 368 552 1104 2963 5926 8889 11852 17778 23704 35556 47408 68149 71112 136298 142224 149827 204447 272596 299654 408894 449481 545192 599308 817788 898962 1090384 1198616 1635576 1797924 2397232 3271152 3446021 3595848 6892042 7191696 10338063 13784084 20676126 27568168 41352252 55136336 82704504 165409008 443937401 887874802 1331812203 1775749604 2663624406 3551499208 5327248812 7102998416 10210560223 10654497624 20421120446 21308995248 30631680669 40842240892 61263361338 81684481784 122526722676 163368963568 245053445352 490106890704