Search a number
-
+
20320616160234 = 2331377337447279
BaseRepresentation
bin1001001111011010000110…
…00110111001101111101010
32122221122001200022222121000
410213231003012321233222
510130413110214111414
6111115055011055430
74165054545304545
oct447550306715752
978848050288530
1020320616160234
116524a1a079695
1223423312a1576
13b452c2353610
1450374743785c
152538bc421b09
hex127b431b9bea

20320616160234 has 64 divisors (see below), whose sum is σ = 48693447129600. Its totient is φ = 6244408501056.

The previous prime is 20320616160217. The next prime is 20320616160269. The reversal of 20320616160234 is 43206161602302.

20320616160234 is a `hidden beast` number, since 2 + 0 + 3 + 2 + 0 + 6 + 1 + 616 + 0 + 2 + 34 = 666.

It is a super-2 number, since 2×203206161602342 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18180994 + ... + 19266285.

It is an arithmetic number, because the mean of its divisors is an integer number (760835111400).

Almost surely, 220320616160234 is an apocalyptic number.

20320616160234 is an abundant number, since it is smaller than the sum of its proper divisors (28372830969366).

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

20320616160234 is a wasteful number, since it uses less digits than its factorization.

20320616160234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37448076 (or 37448070 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

Adding to 20320616160234 its reverse (43206161602302), we get a palindrome (63526777762536).

The spelling of 20320616160234 in words is "twenty trillion, three hundred twenty billion, six hundred sixteen million, one hundred sixty thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 117 234 351 702 773 1546 2319 4638 6957 10049 13914 20098 20871 30147 41742 60294 90441 180882 271323 542646 37447279 74894558 112341837 224683674 337025511 486814627 674051022 973629254 1011076533 1460443881 2022153066 2920887762 4381331643 8762663286 13143994929 26287989858 28946746667 57893493334 86840240001 173680480002 260520720003 376307706671 521041440006 752615413342 781562160009 1128923120013 1563124320018 2257846240026 3386769360039 6773538720078 10160308080117 20320616160234