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103555413445 = 5115633344273
BaseRepresentation
bin110000001110001100…
…0100011010111000101
3100220021221210001121011
41200130120203113011
53144040141212240
6115323411522221
710324125330241
oct1403430432705
9326257701534
10103555413445
113aa10370920
12180a05b9371
1399c42ab493
145025325421
152a614406ea
hex181c6235c5

103555413445 has 16 divisors (see below), whose sum is σ = 135804278592. Its totient is φ = 75179234560.

The previous prime is 103555413407. The next prime is 103555413449. The reversal of 103555413445 is 544314555301.

It is not a de Polignac number, because 103555413445 - 219 = 103554889157 is a prime.

It is a super-3 number, since 3×1035554134453 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103555413398 and 103555413407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103555413449) 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, 1641172 + ... + 1703101.

It is an arithmetic number, because the mean of its divisors is an integer number (8487767412).

Almost surely, 2103555413445 is an apocalyptic number.

It is an amenable number.

103555413445 is a deficient number, since it is larger than the sum of its proper divisors (32248865147).

103555413445 is a wasteful number, since it uses less digits than its factorization.

103555413445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344852.

The product of its (nonzero) digits is 360000, while the sum is 40.

Adding to 103555413445 its reverse (544314555301), we get a palindrome (647869968746).

The spelling of 103555413445 in words is "one hundred three billion, five hundred fifty-five million, four hundred thirteen thousand, four hundred forty-five".

Divisors: 1 5 11 55 563 2815 6193 30965 3344273 16721365 36787003 183935015 1882825699 9414128495 20711082689 103555413445