Search a number
-
+
57455688655476 = 22323749187851123
BaseRepresentation
bin11010001000001011100011…
…11010011010001001110100
321112102201011201201102102100
431010011301322122021310
530012323222243433401
6322110440132142100
715050015345354436
oct1504056172321164
9245381151642370
1057455688655476
1117341903419941
12653b369a67930
13260a081b54a87
141028c27a58656
1569984ac34b86
hex344171e9a274

57455688655476 has 72 divisors (see below), whose sum is σ = 149464279901664. Its totient is φ = 18596325504960.

The previous prime is 57455688655457. The next prime is 57455688655481. The reversal of 57455688655476 is 67455688655475.

57455688655476 is a `hidden beast` number, since 5 + 7 + 4 + 5 + 5 + 6 + 8 + 8 + 65 + 547 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 57455688655395 and 57455688655404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43271550 + ... + 44579573.

It is an arithmetic number, because the mean of its divisors is an integer number (2075892776412).

Almost surely, 257455688655476 is an apocalyptic number.

It is an amenable number.

57455688655476 is an abundant number, since it is smaller than the sum of its proper divisors (92008591246188).

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

57455688655476 is a wasteful number, since it uses less digits than its factorization.

57455688655476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87851661 (or 87851656 counting only the distinct ones).

The product of its digits is 33868800000, while the sum is 81.

Subtracting 57455688655476 from its reverse (67455688655475), we obtain a palindrome (9999999999999).

The spelling of 57455688655476 in words is "fifty-seven trillion, four hundred fifty-five billion, six hundred eighty-eight million, six hundred fifty-five thousand, four hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 37 74 111 148 222 333 444 491 666 982 1332 1473 1964 2946 4419 5892 8838 17676 18167 36334 54501 72668 109002 163503 218004 327006 654012 87851123 175702246 263553369 351404492 527106738 790660107 1054213476 1581320214 3162640428 3250491551 6500983102 9751474653 13001966204 19502949306 29254423959 39005898612 43134901393 58508847918 86269802786 117017695836 129404704179 172539605572 258809408358 388214112537 517618816716 776428225074 1552856450148 1595991351541 3191982703082 4787974054623 6383965406164 9575948109246 14363922163869 19151896218492 28727844327738 57455688655476