Search a number
-
+
20941002966 = 2313268474397
BaseRepresentation
bin10011100000001011…
…100101100011010110
32000001102012011122110
4103200023211203112
5320341344043331
613341542211450
71340636405532
oct234013454326
960042164573
1020941002966
118976717524
124085123b86
131c89629520
141029276bc2
15828696946
hex4e02e58d6

20941002966 has 16 divisors (see below), whose sum is σ = 45103698864. Its totient is φ = 6443385504.

The previous prime is 20941002923. The next prime is 20941002977. The reversal of 20941002966 is 66920014902.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134237121 + ... + 134237276.

It is an arithmetic number, because the mean of its divisors is an integer number (2818981179).

Almost surely, 220941002966 is an apocalyptic number.

20941002966 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20941002966 is an abundant number, since it is smaller than the sum of its proper divisors (24162695898).

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

20941002966 is a wasteful number, since it uses less digits than its factorization.

20941002966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268474415.

The product of its (nonzero) digits is 46656, while the sum is 39.

The spelling of 20941002966 in words is "twenty billion, nine hundred forty-one million, two thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 13 26 39 78 268474397 536948794 805423191 1610846382 3490167161 6980334322 10470501483 20941002966