Search a number
-
+
20651653130 = 2529223319339
BaseRepresentation
bin10011001110111011…
…110011100000001010
31222022020201200021212
4103032323303200022
5314243310400010
613253124333122
71330524104153
oct231673634012
958266650255
1020651653130
118838357729
1240042441a2
131c416ba1c4
14ddca7692a
1580d08d505
hex4ceef380a

20651653130 has 32 divisors (see below), whose sum is σ = 38627366400. Its totient is φ = 7940020032.

The previous prime is 20651653081. The next prime is 20651653133. The reversal of 20651653130 is 3135615602.

It is not an unprimeable number, because it can be changed into a prime (20651653133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95000 + ... + 224339.

It is an arithmetic number, because the mean of its divisors is an integer number (1207105200).

Almost surely, 220651653130 is an apocalyptic number.

20651653130 is a deficient number, since it is larger than the sum of its proper divisors (17975713270).

20651653130 is a wasteful number, since it uses less digits than its factorization.

20651653130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319598.

The product of its (nonzero) digits is 16200, while the sum is 32.

The spelling of 20651653130 in words is "twenty billion, six hundred fifty-one million, six hundred fifty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 29 58 145 223 290 446 1115 2230 6467 12934 32335 64670 319339 638678 1596695 3193390 9260831 18521662 46304155 71212597 92608310 142425194 356062985 712125970 2065165313 4130330626 10325826565 20651653130