Search a number
-
+
20507457032214 = 2323296776482121
BaseRepresentation
bin1001010100110110000111…
…01100010001000000010110
32200121111022221101201000120
410222123003230101000112
510141443233000012324
6111340555023252410
74214420621436045
oct452330354210026
980544287351016
1020507457032214
116597188959179
122372595a4a106
13b59aca3271b9
1450c7cd9aa55c
152586a54b0179
hex12a6c3b11016

20507457032214 has 64 divisors (see below), whose sum is σ = 44934776317440. Its totient is φ = 6218914141440.

The previous prime is 20507457032177. The next prime is 20507457032233. The reversal of 20507457032214 is 41223075470502.

It is a congruent number.

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, 37972927 + ... + 38509194.

It is an arithmetic number, because the mean of its divisors is an integer number (702105879960).

Almost surely, 220507457032214 is an apocalyptic number.

20507457032214 is an abundant number, since it is smaller than the sum of its proper divisors (24427319285226).

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

20507457032214 is a wasteful number, since it uses less digits than its factorization.

20507457032214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76482245.

The product of its (nonzero) digits is 470400, while the sum is 42.

The spelling of 20507457032214 in words is "twenty trillion, five hundred seven billion, four hundred fifty-seven million, thirty-two thousand, two hundred fourteen".

Divisors: 1 2 3 6 23 29 46 58 67 69 87 134 138 174 201 402 667 1334 1541 1943 2001 3082 3886 4002 4623 5829 9246 11658 44689 89378 134067 268134 76482121 152964242 229446363 458892726 1759088783 2217981509 3518177566 4435963018 5124302107 5277266349 6653944527 10248604214 10554532698 13307889054 15372906321 30745812642 51013574707 102027149414 117858948461 148604761103 153040724121 235717896922 297209522206 306081448242 353576845383 445814283309 707153690766 891628566618 3417909505369 6835819010738 10253728516107 20507457032214