Search a number
-
+
19530607188430 = 2513241162312501
BaseRepresentation
bin1000111000011010100101…
…11001110101100111001110
32120011002220121002001201201
410130031102321311213032
510024442140420012210
6105312123113100114
74054016436656602
oct434152271654716
976132817061651
1019530607188430
11624a97a661298
1222351b49b763a
13ab8961272860
144b7401d7b502
1523d08131953a
hex11c352e759ce

19530607188430 has 32 divisors (see below), whose sum is σ = 37875034215648. Its totient is φ = 7208310000000.

The previous prime is 19530607188427. The next prime is 19530607188431. The reversal of 19530607188430 is 3488170603591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19530607188431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30842821 + ... + 31469680.

It is an arithmetic number, because the mean of its divisors is an integer number (1183594819239).

Almost surely, 219530607188430 is an apocalyptic number.

19530607188430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19530607188430 is a deficient number, since it is larger than the sum of its proper divisors (18344427027218).

19530607188430 is a wasteful number, since it uses less digits than its factorization.

19530607188430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62314932.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 19530607188430 in words is "nineteen trillion, five hundred thirty billion, six hundred seven million, one hundred eighty-eight thousand, four hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 2411 4822 12055 24110 31343 62686 156715 313430 62312501 124625002 311562505 623125010 810062513 1620125026 4050312565 8100625130 150235439911 300470879822 751177199555 1502354399110 1953060718843 3906121437686 9765303594215 19530607188430