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19252011330 = 2325213911237
BaseRepresentation
bin10001111011100000…
…100110000101000010
31211200201001111200200
4101323200212011002
5303412003330310
612502205230030
71251040252626
oct217340460502
954621044620
1019252011330
11818a293072
123893562316
131a7a7357a6
14d08c19186
1577a2699c0
hex47b826142

19252011330 has 24 divisors (see below), whose sum is σ = 50055229692. Its totient is φ = 5133869664.

The previous prime is 19252011169. The next prime is 19252011377. The reversal of 19252011330 is 3311025291.

19252011330 is a `hidden beast` number, since 1 + 9 + 2 + 520 + 1 + 133 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19084593609 + 167417721 = 138147^2 + 12939^2 .

It is a junction number, because it is equal to n+sod(n) for n = 19252011294 and 19252011303.

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, 106955529 + ... + 106955708.

Almost surely, 219252011330 is an apocalyptic number.

19252011330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19252011330 is an abundant number, since it is smaller than the sum of its proper divisors (30803218362).

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

19252011330 is a wasteful number, since it uses less digits than its factorization.

19252011330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213911250 (or 213911247 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The spelling of 19252011330 in words is "nineteen billion, two hundred fifty-two million, eleven thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 213911237 427822474 641733711 1069556185 1283467422 1925201133 2139112370 3208668555 3850402266 6417337110 9626005665 19252011330