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16484133620 = 22519215112
BaseRepresentation
bin11110101101000011…
…11110101011110100
31120112210210202021102
433112201332223310
5232224414233440
611323412105232
71122330552413
oct172641765364
946483722242
1016484133620
116a99955629
123240605218
131729174526
14b2539747a
15667277b15
hex3d687eaf4

16484133620 has 54 divisors (see below), whose sum is σ = 36558697266. Its totient is φ = 6242484960.

The previous prime is 16484133607. The next prime is 16484133647. The reversal of 16484133620 is 2633148461.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13187306896 + 3296826724 = 114836^2 + 57418^2 .

It is a super-2 number, since 2×164841336202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10908665 + ... + 10910175.

Almost surely, 216484133620 is an apocalyptic number.

16484133620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16484133620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18279348633).

16484133620 is an abundant number, since it is smaller than the sum of its proper divisors (20074563646).

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

16484133620 is an equidigital number, since it uses as much as digits as its factorization.

16484133620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069 (or 1537 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 16484133620 in words is "sixteen billion, four hundred eighty-four million, one hundred thirty-three thousand, six hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 361 380 722 1444 1511 1805 3022 3610 6044 7220 7555 15110 28709 30220 57418 114836 143545 287090 545471 574180 1090942 2181884 2283121 2727355 4566242 5454710 9132484 10909420 11415605 22831210 43379299 45662420 86758598 173517196 216896495 433792990 824206681 867585980 1648413362 3296826724 4121033405 8242066810 16484133620