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10538198784340 = 225677864327451
BaseRepresentation
bin1001100101011001110110…
…0110000101100101010100
31101022102221012012021012021
42121112131212011211110
52340124212342044330
634225103124502524
72135234250465103
oct231263546054524
941272835167167
1010538198784340
1133a3252535577
12122245954aa44
135b5995131366
142860a160c03a
151341c936467a
hex9959d985954

10538198784340 has 24 divisors (see below), whose sum is σ = 22460519202912. Its totient is φ = 4152364893600.

The previous prime is 10538198784293. The next prime is 10538198784341. The reversal of 10538198784340 is 4348789183501.

It is a super-2 number, since 2×105381987843402 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10538198784341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3932162386 + ... + 3932165065.

It is an arithmetic number, because the mean of its divisors is an integer number (935854966788).

Almost surely, 210538198784340 is an apocalyptic number.

10538198784340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10538198784340 is an abundant number, since it is smaller than the sum of its proper divisors (11922320418572).

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

10538198784340 is a wasteful number, since it uses less digits than its factorization.

10538198784340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7864327527 (or 7864327525 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 61.

The spelling of 10538198784340 in words is "ten trillion, five hundred thirty-eight billion, one hundred ninety-eight million, seven hundred eighty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 7864327451 15728654902 31457309804 39321637255 78643274510 157286549020 526909939217 1053819878434 2107639756868 2634549696085 5269099392170 10538198784340