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51130241132442 = 2371701171218317
BaseRepresentation
bin10111010000000101011111…
…10111000010011110011010
320201001000002102020201202220
423220002233313002132122
523200204213212214232
6300424524123204510
713525016016504423
oct1350025767023632
9221030072221686
1051130241132442
111532323917a51a
125899472376736
13226b73a81c754
14c8aa0716864a
155da0354bb42c
hex2e80afdc279a

51130241132442 has 32 divisors (see below), whose sum is σ = 103848703979904. Its totient is φ = 16779394968000.

The previous prime is 51130241132419. The next prime is 51130241132471. The reversal of 51130241132442 is 24423114203115.

It is a super-2 number, since 2×511302411324422 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85310533 + ... + 85907784.

It is an arithmetic number, because the mean of its divisors is an integer number (3245271999372).

Almost surely, 251130241132442 is an apocalyptic number.

51130241132442 is an abundant number, since it is smaller than the sum of its proper divisors (52718462847462).

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

51130241132442 is a wasteful number, since it uses less digits than its factorization.

51130241132442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171219094.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 51130241132442 its reverse (24423114203115), we get a palindrome (75553355335557).

The spelling of 51130241132442 in words is "fifty-one trillion, one hundred thirty billion, two hundred forty-one million, one hundred thirty-two thousand, four hundred forty-two".

Divisors: 1 2 3 6 71 142 213 426 701 1402 2103 4206 49771 99542 149313 298626 171218317 342436634 513654951 1027309902 12156500507 24313001014 36469501521 72939003042 120024040217 240048080434 360072120651 720144241302 8521706855407 17043413710814 25565120566221 51130241132442