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103020504105 = 3519361475453
BaseRepresentation
bin101111111110010000…
…0000010010000101001
3100211220200020211221010
41133330200002100221
53141441222112410
6115154342534133
710304641556631
oct1377440022051
9324820224833
10103020504105
113a766430592
1217b71437349
13993a52298c
144db42836c1
152a2e4cdc20
hex17fc802429

103020504105 has 16 divisors (see below), whose sum is σ = 173508217920. Its totient is φ = 52052465088.

The previous prime is 103020504079. The next prime is 103020504109. The reversal of 103020504105 is 501405020301.

It is not a de Polignac number, because 103020504105 - 220 = 103019455529 is a prime.

It is a super-2 number, since 2×1030205041052 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103020504109) 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, 180737442 + ... + 180738011.

It is an arithmetic number, because the mean of its divisors is an integer number (10844263620).

Almost surely, 2103020504105 is an apocalyptic number.

103020504105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103020504105 is a deficient number, since it is larger than the sum of its proper divisors (70487713815).

103020504105 is a wasteful number, since it uses less digits than its factorization.

103020504105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361475480.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 103020504105 its reverse (501405020301), we get a palindrome (604425524406).

The spelling of 103020504105 in words is "one hundred three billion, twenty million, five hundred four thousand, one hundred five".

Divisors: 1 3 5 15 19 57 95 285 361475453 1084426359 1807377265 5422131795 6868033607 20604100821 34340168035 103020504105