Search a number
-
+
20305710361112 = 23111697091359661
BaseRepresentation
bin1001001110111110010101…
…01001110010101000011000
32122220012120212102221012212
410213133022221302220120
510130142043323023422
6111104151540054252
74164016301145341
oct447371251625030
978805525387185
1020305710361112
116519670148140
12233b471394388
13b43a8819a637
14502b319350c8
152532e8a189e2
hex1277caa72a18

20305710361112 has 32 divisors (see below), whose sum is σ = 41534682843600. Its totient is φ = 9229807171200.

The previous prime is 20305710361081. The next prime is 20305710361127. The reversal of 20305710361112 is 21116301750302.

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, 14254562 + ... + 15614222.

Almost surely, 220305710361112 is an apocalyptic number.

20305710361112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20305710361112 is an abundant number, since it is smaller than the sum of its proper divisors (21228972482488).

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

20305710361112 is a wasteful number, since it uses less digits than its factorization.

20305710361112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529387 (or 1529383 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The spelling of 20305710361112 in words is "twenty trillion, three hundred five billion, seven hundred ten million, three hundred sixty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 169709 339418 678836 1357672 1359661 1866799 2719322 3733598 5438644 7467196 10877288 14934392 14956271 29912542 59825084 119650168 230746708649 461493417298 922986834596 1845973669192 2538213795139 5076427590278 10152855180556 20305710361112