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19716552048 = 2433153250007
BaseRepresentation
bin10010010111001100…
…101011010101110000
31212220002011121202110
4102113030223111300
5310334414131143
613020242045320
71265410633014
oct222714532560
955802147673
1019716552048
1183a8530416
1239a3049840
131b22a53a5b
14d507c0544
157a5e2b533
hex49732b570

19716552048 has 80 divisors (see below), whose sum is σ = 53569714176. Its totient is φ = 6240149760.

The previous prime is 19716552047. The next prime is 19716552067. The reversal of 19716552048 is 84025561791.

It is a happy number.

It is a super-2 number, since 2×197165520482 (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 19716551988 and 19716552006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19716552047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46140 + ... + 203867.

Almost surely, 219716552048 is an apocalyptic number.

It is an amenable number.

19716552048 is an abundant number, since it is smaller than the sum of its proper divisors (33853162128).

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

19716552048 is a wasteful number, since it uses less digits than its factorization.

19716552048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250102 (or 250096 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 48.

The spelling of 19716552048 in words is "nineteen billion, seven hundred sixteen million, five hundred fifty-two thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 31 48 53 62 93 106 124 159 186 212 248 318 372 424 496 636 744 848 1272 1488 1643 2544 3286 4929 6572 9858 13144 19716 26288 39432 78864 250007 500014 750021 1000028 1500042 2000056 3000084 4000112 6000168 7750217 12000336 13250371 15500434 23250651 26500742 31000868 39751113 46501302 53001484 62001736 79502226 93002604 106002968 124003472 159004452 186005208 212005936 318008904 372010416 410761501 636017808 821523002 1232284503 1643046004 2464569006 3286092008 4929138012 6572184016 9858276024 19716552048