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103678430491 = 3747523311393
BaseRepresentation
bin110000010001110110…
…1110100110100011011
3100220121112020222021001
41200203231310310123
53144313134233431
6115343524325431
710330151055436
oct1404355646433
9326545228231
10103678430491
113aa738533a9
1218115843877
139a1392072c
1450377c881d
152a6c13ee61
hex1823b74d1b

103678430491 has 16 divisors (see below), whose sum is σ = 108776421504. Its totient is φ = 98702475264.

The previous prime is 103678430467. The next prime is 103678430501. The reversal of 103678430491 is 194034876301.

It is a cyclic number.

It is not a de Polignac number, because 103678430491 - 29 = 103678429979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103678434491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9094491 + ... + 9105883.

It is an arithmetic number, because the mean of its divisors is an integer number (6798526344).

Almost surely, 2103678430491 is an apocalyptic number.

103678430491 is a deficient number, since it is larger than the sum of its proper divisors (5097991013).

103678430491 is a wasteful number, since it uses less digits than its factorization.

103678430491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16710.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 103678430491 in words is "one hundred three billion, six hundred seventy-eight million, four hundred thirty thousand, four hundred ninety-one".

Divisors: 1 37 47 1739 5233 11393 193621 245951 421541 535471 9100187 19812427 59619569 2205924053 2802119743 103678430491