Search a number
-
+
20948046029 = 472112112337
BaseRepresentation
bin10011100000100110…
…011101000011001101
32000001220102222220122
4103200212131003031
5320400144433104
613342353154325
71341053311331
oct234046350315
960056388818
1020948046029
11897a698039
12408755b9a5
131c8ac24211
14102a18b7c1
158290d86be
hex4e099d0cd

20948046029 has 8 divisors (see below), whose sum is σ = 21495151488. Its totient is φ = 20405165760.

The previous prime is 20948045969. The next prime is 20948046047. The reversal of 20948046029 is 92064084902.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20948046029 - 28 = 20948045773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20948046089) 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, 1046252 + ... + 1066085.

It is an arithmetic number, because the mean of its divisors is an integer number (2686893936).

Almost surely, 220948046029 is an apocalyptic number.

It is an amenable number.

20948046029 is a deficient number, since it is larger than the sum of its proper divisors (547105459).

20948046029 is a wasteful number, since it uses less digits than its factorization.

20948046029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112595.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 20948046029 in words is "twenty billion, nine hundred forty-eight million, forty-six thousand, twenty-nine".

Divisors: 1 47 211 9917 2112337 99279839 445703107 20948046029