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52123011032125 = 5311289491309463
BaseRepresentation
bin10111101100111110101011…
…00011101010010000111101
320211112220121020222000011201
423312133111203222100331
523312440411311012000
6302504551455415501
713656522542432665
oct1366372543522075
9224486536860151
1052123011032125
1115676276979aa0
125a19956b24591
132311242c19507
14cc2aa52791a5
15605c8c11596a
hex2f67d58ea43d

52123011032125 has 32 divisors (see below), whose sum is σ = 70965615801600. Its totient is φ = 37906305976000.

The previous prime is 52123011032111. The next prime is 52123011032129.

52123011032125 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52123011032125 - 27 = 52123011031997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52123011032093 and 52123011032102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52123011032129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39150144 + ... + 40459606.

It is an arithmetic number, because the mean of its divisors is an integer number (2217675493800).

Almost surely, 252123011032125 is an apocalyptic number.

52123011032125 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52123011032125 is a deficient number, since it is larger than the sum of its proper divisors (18842604769475).

52123011032125 is a wasteful number, since it uses less digits than its factorization.

52123011032125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338438 (or 1338428 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

It can be divided in two parts, 5212301 and 1032125, that added together give a palindrome (6244426).

The spelling of 52123011032125 in words is "fifty-two trillion, one hundred twenty-three billion, eleven million, thirty-two thousand, one hundred twenty-five".

Divisors: 1 5 11 25 55 125 275 1375 28949 144745 318439 723725 1309463 1592195 3618625 6547315 7960975 14404093 32736575 39804875 72020465 163682875 360102325 1800511625 37907644387 189538221935 416984088257 947691109675 2084920441285 4738455548375 10424602206425 52123011032125