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105203024501 = 130180863201
BaseRepresentation
bin110000111111010010…
…1101100001001110101
3101001112210001101001212
41201332211230021311
53210423433241001
6120155105531205
710413012645101
oct1417645541165
9331483041055
10105203024501
1140686401453
1218480343b05
139bc7744173
145140090901
152b0ade67bb
hex187e96c275

105203024501 has 4 divisors (see below), whose sum is σ = 105283889004. Its totient is φ = 105122160000.

The previous prime is 105203024497. The next prime is 105203024527. The reversal of 105203024501 is 105420302501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24432816100 + 80770208401 = 156310^2 + 284201^2 .

It is a cyclic number.

It is not a de Polignac number, because 105203024501 - 22 = 105203024497 is a prime.

It is a super-2 number, since 2×1052030245012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105203023501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40430300 + ... + 40432901.

It is an arithmetic number, because the mean of its divisors is an integer number (26320972251).

Almost surely, 2105203024501 is an apocalyptic number.

It is an amenable number.

105203024501 is a deficient number, since it is larger than the sum of its proper divisors (80864503).

105203024501 is an equidigital number, since it uses as much as digits as its factorization.

105203024501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80864502.

The product of its (nonzero) digits is 1200, while the sum is 23.

The spelling of 105203024501 in words is "one hundred five billion, two hundred three million, twenty-four thousand, five hundred one".

Divisors: 1 1301 80863201 105203024501