Search a number
-
+
30786708195141 = 325301405605947
BaseRepresentation
bin1110000000000000101101…
…10011100100011101000101
311001000011212121221211222220
413000000112303210131011
513013402134244221031
6145251115110042553
76325160220615453
oct700002663443505
9131004777854886
1030786708195141
11989a62a194058
123552806349459
131424235728322
147861283079d3
15385c76228596
hex1c0016ce4745

30786708195141 has 8 divisors (see below), whose sum is σ = 41050566785184. Its totient is φ = 20523660867600.

The previous prime is 30786708195109. The next prime is 30786708195227. The reversal of 30786708195141 is 14159180768703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30786708195141 - 25 = 30786708195109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30786708195101) 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, 202727071 + ... + 202878876.

It is an arithmetic number, because the mean of its divisors is an integer number (5131320848148).

Almost surely, 230786708195141 is an apocalyptic number.

It is an amenable number.

30786708195141 is a deficient number, since it is larger than the sum of its proper divisors (10263858590043).

30786708195141 is a wasteful number, since it uses less digits than its factorization.

30786708195141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405631251.

The product of its (nonzero) digits is 10160640, while the sum is 60.

The spelling of 30786708195141 in words is "thirty trillion, seven hundred eighty-six billion, seven hundred eight million, one hundred ninety-five thousand, one hundred forty-one".

Divisors: 1 3 25301 75903 405605947 1216817841 10262236065047 30786708195141