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55102111521301 = 132315710871079861
BaseRepresentation
bin11001000011101011101011…
…10010001001101000010101
321020002201011220010010111101
430201311311302021220111
524210243111022140201
6313105321030110101
714414665455662455
oct1441656562115025
9236081156103441
1055102111521301
1116614746498979
12621b1a97ab331
1324991508b9960
14d86d56619d65
156584ebb5bd01
hex321d75c89a15

55102111521301 has 32 divisors (see below), whose sum is σ = 62372552675328. Its totient is φ = 48297628304640.

The previous prime is 55102111521283. The next prime is 55102111521313. The reversal of 55102111521301 is 10312511120155.

It is not a de Polignac number, because 55102111521301 - 215 = 55102111488533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55102111521301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55102111525301) 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, 50487111 + ... + 51566971.

It is an arithmetic number, because the mean of its divisors is an integer number (1949142271104).

Almost surely, 255102111521301 is an apocalyptic number.

It is an amenable number.

55102111521301 is a deficient number, since it is larger than the sum of its proper divisors (7270441154027).

55102111521301 is a wasteful number, since it uses less digits than its factorization.

55102111521301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081141.

The product of its (nonzero) digits is 1500, while the sum is 28.

Adding to 55102111521301 its reverse (10312511120155), we get a palindrome (65414622641456).

The spelling of 55102111521301 in words is "fifty-five trillion, one hundred two billion, one hundred eleven million, five hundred twenty-one thousand, three hundred one".

Divisors: 1 13 23 157 299 1087 2041 3611 14131 25001 46943 170659 325013 1079861 2218567 3925157 14038193 24836803 51027041 169538177 322878439 1173808907 2203996301 3899378071 15259515791 26997604861 50691914923 184287998399 350968863193 2395743979187 4238623963177 55102111521301