Search a number
-
+
20848179011 = 114146226561
BaseRepresentation
bin10011011010101001…
…011111011101000011
31222210221112020010012
4103122221133131003
5320144113212021
613324424455135
71335431412002
oct233251373503
958727466105
1020848179011
118929287510
12405a01a4ab
131c733290ca
14101abd2c39
1582045d35b
hex4daa5f743

20848179011 has 8 divisors (see below), whose sum is σ = 23298187248. Its totient is φ = 18490624000.

The previous prime is 20848178977. The next prime is 20848179031. The reversal of 20848179011 is 11097184802.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20848179011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20848179011.

It is not an unprimeable number, because it can be changed into a prime (20848179031) 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, 23112830 + ... + 23113731.

It is an arithmetic number, because the mean of its divisors is an integer number (2912273406).

Almost surely, 220848179011 is an apocalyptic number.

20848179011 is a deficient number, since it is larger than the sum of its proper divisors (2450008237).

20848179011 is a wasteful number, since it uses less digits than its factorization.

20848179011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46226613.

The product of its (nonzero) digits is 32256, while the sum is 41.

The spelling of 20848179011 in words is "twenty billion, eight hundred forty-eight million, one hundred seventy-nine thousand, eleven".

Divisors: 1 11 41 451 46226561 508492171 1895289001 20848179011