Search a number
-
+
20060317407 = 3132172294721
BaseRepresentation
bin10010101011101100…
…000010011011011111
31220210001000201011210
4102223230002123133
5312040420124112
613114322115503
71310053612254
oct225354023337
956701021153
1020060317407
118564587419
123a7a1abb93
131b79036200
14d8430742b
157c61d2b3c
hex4abb026df

20060317407 has 72 divisors (see below), whose sum is σ = 31834401840. Its totient is φ = 11215626240.

The previous prime is 20060317337. The next prime is 20060317421. The reversal of 20060317407 is 70471306002.

It is not a de Polignac number, because 20060317407 - 215 = 20060284639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20060317457) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 4246807 + ... + 4251527.

It is an arithmetic number, because the mean of its divisors is an integer number (442144470).

Almost surely, 220060317407 is an apocalyptic number.

20060317407 is a deficient number, since it is larger than the sum of its proper divisors (11774084433).

20060317407 is a wasteful number, since it uses less digits than its factorization.

20060317407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4813 (or 4783 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The spelling of 20060317407 in words is "twenty billion, sixty million, three hundred seventeen thousand, four hundred seven".

Divisors: 1 3 13 17 29 39 51 87 169 221 289 377 493 507 663 867 1131 1479 2873 3757 4721 4901 6409 8381 8619 11271 14163 14703 19227 25143 48841 61373 80257 83317 108953 136909 146523 184119 240771 249951 326859 410727 797849 1043341 1364369 1416389 1779817 2327453 2393547 3130023 4093107 4249167 5339451 6982359 13563433 17736797 23137621 30256889 39566701 40690299 53210391 69412863 90770667 118700103 230578361 393339557 514367113 691735083 1180018671 1543101339 6686772469 20060317407