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103005012443 = 177979796233
BaseRepresentation
bin101111111101110010…
…0111100000111011011
3100211212121002210100212
41133323210330013123
53141423240344233
6115153030521335
710304363105504
oct1377344740733
9324777083325
10103005012443
113a75870a463
1217b6820624b
13993725a608
144db21adbab
152a2ce6da48
hex17fb93c1db

103005012443 has 16 divisors (see below), whose sum is σ = 110584414080. Its totient is φ = 95597638656.

The previous prime is 103005012437. The next prime is 103005012497. The reversal of 103005012443 is 344210500301.

It is a cyclic number.

It is not a de Polignac number, because 103005012443 - 230 = 101931270619 is a prime.

It is a super-2 number, since 2×1030050124432 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103005012343) 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, 1022255 + ... + 1118487.

It is an arithmetic number, because the mean of its divisors is an integer number (6911525880).

Almost surely, 2103005012443 is an apocalyptic number.

103005012443 is a deficient number, since it is larger than the sum of its proper divisors (7579401637).

103005012443 is an equidigital number, since it uses as much as digits as its factorization.

103005012443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97126.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 103005012443 its reverse (344210500301), we get a palindrome (447215512744).

The spelling of 103005012443 in words is "one hundred three billion, five million, twelve thousand, four hundred forty-three".

Divisors: 1 17 79 797 1343 13549 62963 96233 1070371 1635961 7602407 76697701 129240919 1303860917 6059118379 103005012443