Search a number
-
+
196988430240 = 253257171149559
BaseRepresentation
bin1011011101110101101…
…1001110011110100000
3200211110110111002102200
42313131123032132200
511211413014231430
6230254545413200
720142362013150
oct2673533163640
9624413432380
10196988430240
11765a6919278
123221703a200
1315764416734
14976a146760
1551cdd97460
hex2ddd6ce7a0

196988430240 has 288 divisors, whose sum is σ = 813447048960. Its totient is φ = 42377306112.

The previous prime is 196988430217. The next prime is 196988430263. The reversal of 196988430240 is 42034889691.

196988430240 is a `hidden beast` number, since 1 + 96 + 9 + 88 + 430 + 2 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (196988430217) and next prime (196988430263).

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 403420 + ... + 746139.

It is an arithmetic number, because the mean of its divisors is an integer number (2824468920).

Almost surely, 2196988430240 is an apocalyptic number.

196988430240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196988430240 is an abundant number, since it is smaller than the sum of its proper divisors (616458618720).

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

196988430240 is a wasteful number, since it uses less digits than its factorization.

196988430240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149604 (or 1149593 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 196988430240 in words is "one hundred ninety-six billion, nine hundred eighty-eight million, four hundred thirty thousand, two hundred forty".