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20348650704 = 24319208710691
BaseRepresentation
bin10010111100110111…
…111100010011010000
31221112010120120002210
4102330313330103100
5313133223310304
613203102112120
71320154451154
oct227467742320
957463516083
1020348650704
1186a23124a8
123b3a87b640
131bc39aa925
14db0721064
157e1689c89
hex4bcdfc4d0

20348650704 has 80 divisors (see below), whose sum is σ = 55365742080. Its totient is φ = 6422209920.

The previous prime is 20348650681. The next prime is 20348650717. The reversal of 20348650704 is 40705684302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1897999 + ... + 1908689.

It is an arithmetic number, because the mean of its divisors is an integer number (692071776).

Almost surely, 220348650704 is an apocalyptic number.

20348650704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20348650704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27682871040).

20348650704 is an abundant number, since it is smaller than the sum of its proper divisors (35017091376).

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

20348650704 is a wasteful number, since it uses less digits than its factorization.

20348650704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12808 (or 12802 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 20348650704 in words is "twenty billion, three hundred forty-eight million, six hundred fifty thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 228 304 456 912 2087 4174 6261 8348 10691 12522 16696 21382 25044 32073 33392 39653 42764 50088 64146 79306 85528 100176 118959 128292 158612 171056 203129 237918 256584 317224 406258 475836 513168 609387 634448 812516 951672 1218774 1625032 1903344 2437548 3250064 4875096 9750192 22312117 44624234 66936351 89248468 133872702 178496936 267745404 356993872 423930223 535490808 847860446 1070981616 1271790669 1695720892 2543581338 3391441784 5087162676 6782883568 10174325352 20348650704