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19088482304 = 21317313469
BaseRepresentation
bin10001110001110000…
…110010000000000000
31211021022100101001002
4101301300302000000
5303043122413204
612434044231132
71244013264623
oct216160620000
954238311032
1019088482304
118105a50311
12384883b4a8
131a528aa958
14cd120bdba
1576ac1691e
hex471c32000

19088482304 has 56 divisors (see below), whose sum is σ = 38398147740. Its totient is φ = 9488367616.

The previous prime is 19088482211. The next prime is 19088482327. The reversal of 19088482304 is 40328488091.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17331195904 + 1757286400 = 131648^2 + 41920^2 .

It is a super-2 number, since 2×190884823042 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1410482 + ... + 1423950.

Almost surely, 219088482304 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 19088482304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19199073870).

19088482304 is an abundant number, since it is smaller than the sum of its proper divisors (19309665436).

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

19088482304 is an equidigital number, since it uses as much as digits as its factorization.

19088482304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13668 (or 13644 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The spelling of 19088482304 in words is "nineteen billion, eighty-eight million, four hundred eighty-two thousand, three hundred four".

Divisors: 1 2 4 8 16 32 64 128 173 256 346 512 692 1024 1384 2048 2768 4096 5536 8192 11072 13469 22144 26938 44288 53876 88576 107752 177152 215504 354304 431008 708608 862016 1417216 1724032 2330137 3448064 4660274 6896128 9320548 13792256 18641096 27584512 37282192 55169024 74564384 110338048 149128768 298257536 596515072 1193030144 2386060288 4772120576 9544241152 19088482304