Search a number
-
+
16814931875245 = 572541238153281
BaseRepresentation
bin1111010010110000100000…
…0010101001010110101101
32012112111021111212101210201
43310230020002221112231
54200443440030001440
655432401214233501
73353560454453500
oct364541002512655
965474244771721
1016814931875245
1153a3199752029
121a76a1a7b5891
1394c844b4a90a
14421bc0413137
151e25dd02719a
hexf4b080a95ad

16814931875245 has 48 divisors (see below), whose sum is σ = 23525976991536. Its totient is φ = 11503876608000.

The previous prime is 16814931875219. The next prime is 16814931875267. The reversal of 16814931875245 is 54257813941861.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3594414059236 + 13220517816009 = 1895894^2 + 3636003^2 .

It is not a de Polignac number, because 16814931875245 - 211 = 16814931873197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 315563005 + ... + 315616285.

It is an arithmetic number, because the mean of its divisors is an integer number (490124520657).

Almost surely, 216814931875245 is an apocalyptic number.

It is an amenable number.

16814931875245 is a deficient number, since it is larger than the sum of its proper divisors (6711045116291).

16814931875245 is a wasteful number, since it uses less digits than its factorization.

16814931875245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56222 (or 56215 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 64.

The spelling of 16814931875245 in words is "sixteen trillion, eight hundred fourteen billion, nine hundred thirty-one million, eight hundred seventy-five thousand, two hundred forty-five".

Divisors: 1 5 7 35 49 245 541 2381 2705 3787 11905 16667 18935 26509 53281 83335 116669 132545 266405 372967 583345 1288121 1864835 2610769 6440605 9016847 13053845 28825021 45084235 63117929 126862061 144125105 201775147 315589645 634310305 888034427 1008875735 1412426029 4440172135 6216240989 7062130145 31081204945 68632375001 343161875005 480426625007 2402133125035 3362986375049 16814931875245