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19480009608 = 2332753735897
BaseRepresentation
bin10010001001000110…
…010101101110001000
31212021121002000112100
4102021012111232020
5304343340301413
612540552113400
71256506230633
oct221106255610
955247060470
1019480009608
118296a595a4
123937995860
131ab5a43907
14d2b208c1a
157902a4a73
hex489195b88

19480009608 has 48 divisors (see below), whose sum is σ = 52766829180. Its totient is φ = 6492294144.

The previous prime is 19480009573. The next prime is 19480009649. The reversal of 19480009608 is 80690008491.

It can be written as a sum of positive squares in 2 ways, for example, as 19415078244 + 64931364 = 139338^2 + 8058^2 .

It is a super-3 number, since 3×194800096083 (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 524716 + ... + 560612.

Almost surely, 219480009608 is an apocalyptic number.

19480009608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19480009608 is an abundant number, since it is smaller than the sum of its proper divisors (33286819572).

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

19480009608 is a wasteful number, since it uses less digits than its factorization.

19480009608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43446 (or 43439 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 19480009608 in words is "nineteen billion, four hundred eighty million, nine thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 7537 15074 22611 30148 35897 45222 60296 67833 71794 90444 107691 135666 143588 180888 215382 271332 287176 323073 430764 542664 646146 861528 1292292 2584584 270555689 541111378 811667067 1082222756 1623334134 2164445512 2435001201 3246668268 4870002402 6493336536 9740004804 19480009608