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51402335355054 = 23247419679321347
BaseRepresentation
bin10111011000000000010011…
…11100001000000010101110
320202000000102010112101111100
423230000021330020002232
523214133440322330204
6301153523514503530
713553460534313365
oct1354001174100256
9222000363471440
1051402335355054
1115418676285182
12592214a134ba6
13228b2b1100538
14c99c5a0467dc
155e215cd26a39
hex2ec009f080ae

51402335355054 has 96 divisors (see below), whose sum is σ = 114034922426880. Its totient is φ = 16726287067776.

The previous prime is 51402335355037. The next prime is 51402335355067. The reversal of 51402335355054 is 45055353320415.

51402335355054 is a `hidden beast` number, since 5 + 1 + 40 + 2 + 3 + 3 + 5 + 3 + 550 + 54 = 666.

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, 2407931209 + ... + 2407952555.

It is an arithmetic number, because the mean of its divisors is an integer number (1187863775280).

Almost surely, 251402335355054 is an apocalyptic number.

51402335355054 is an abundant number, since it is smaller than the sum of its proper divisors (62632587071826).

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

51402335355054 is a wasteful number, since it uses less digits than its factorization.

51402335355054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28614 (or 28611 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 45.

Adding to 51402335355054 its reverse (45055353320415), we get a palindrome (96457688675469).

The spelling of 51402335355054 in words is "fifty-one trillion, four hundred two billion, three hundred thirty-five million, three hundred fifty-five thousand, fifty-four".

Divisors: 1 2 3 6 9 18 47 94 141 282 419 423 838 846 1257 2514 3771 6793 7542 13586 19693 20379 21347 39386 40758 42694 59079 61137 64041 118158 122274 128082 177237 192123 319271 354474 384246 638542 957813 1003309 1915626 2006618 2846267 2873439 3009927 5692534 5746878 6019854 8538801 8944393 9029781 17077602 17888786 18059562 25616403 26833179 51232806 53666358 80499537 133774549 145010171 160999074 267549098 290020342 401323647 420386471 435030513 802647294 840772942 870061026 1203970941 1261159413 1305091539 2407941882 2522318826 2610183078 3783478239 6815478037 7566956478 13630956074 20446434111 40892868222 60759261649 61339302333 121518523298 122678604666 182277784947 364555569894 546833354841 1093666709682 2855685297503 5711370595006 8567055892509 17134111785018 25701167677527 51402335355054