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104521112155 = 5176120158363
BaseRepresentation
bin110000101010111110…
…0011001101001011011
3100222210020220122012001
41201111330121221123
53203024401042110
6120003310101431
710360062536335
oct1412574315133
9328706818161
10104521112155
1140366496629
121830baaa877
139b19398935
1450b76a4455
152abb0e863a
hex1855f19a5b

104521112155 has 16 divisors (see below), whose sum is σ = 134980405344. Its totient is φ = 77408110080.

The previous prime is 104521112153. The next prime is 104521112159. The reversal of 104521112155 is 551211125401.

It is not a de Polignac number, because 104521112155 - 21 = 104521112153 is a prime.

It is a super-3 number, since 3×1045211121553 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104521112153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10073997 + ... + 10084366.

It is an arithmetic number, because the mean of its divisors is an integer number (8436275334).

Almost surely, 2104521112155 is an apocalyptic number.

104521112155 is a deficient number, since it is larger than the sum of its proper divisors (30459293189).

104521112155 is a wasteful number, since it uses less digits than its factorization.

104521112155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20158446.

The product of its (nonzero) digits is 2000, while the sum is 28.

Adding to 104521112155 its reverse (551211125401), we get a palindrome (655732237556).

The spelling of 104521112155 in words is "one hundred four billion, five hundred twenty-one million, one hundred twelve thousand, one hundred fifty-five".

Divisors: 1 5 17 61 85 305 1037 5185 20158363 100791815 342692171 1229660143 1713460855 6148300715 20904222431 104521112155