Search a number
-
+
20412310434 = 2323147915293
BaseRepresentation
bin10011000000101010…
…110010001110100010
31221200120100210211120
4103000222302032202
5313301022413214
613213254353110
71321556530065
oct230052621642
957616323746
1020412310434
118725242a4a
123b5805b796
131c03c395c9
14db8d728dc
157e7061ea9
hex4c0ab23a2

20412310434 has 16 divisors (see below), whose sum is σ = 42599604672. Its totient is φ = 6508272848.

The previous prime is 20412310421. The next prime is 20412310441. The reversal of 20412310434 is 43401321402.

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, 73957509 + ... + 73957784.

It is an arithmetic number, because the mean of its divisors is an integer number (2662475292).

Almost surely, 220412310434 is an apocalyptic number.

20412310434 is an abundant number, since it is smaller than the sum of its proper divisors (22187294238).

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

20412310434 is a wasteful number, since it uses less digits than its factorization.

20412310434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147915321.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20412310434 its reverse (43401321402), we get a palindrome (63813631836).

The spelling of 20412310434 in words is "twenty billion, four hundred twelve million, three hundred ten thousand, four hundred thirty-four".

Divisors: 1 2 3 6 23 46 69 138 147915293 295830586 443745879 887491758 3402051739 6804103478 10206155217 20412310434