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100800053 = 234382611
BaseRepresentation
bin1100000001000…
…01011000110101
321000200011200022
412000201120311
5201301100203
614000254525
72332533464
oct600413065
9230604608
10100800053
1151998632
1229911445
1317b63a03
14d55c9db
158cb1a38
hex6021635

100800053 has 4 divisors (see below), whose sum is σ = 105182688. Its totient is φ = 96417420.

The previous prime is 100800047. The next prime is 100800061. The reversal of 100800053 is 350008001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100800053 - 212 = 100795957 is a prime.

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 (100800043) 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, 2191283 + ... + 2191328.

It is an arithmetic number, because the mean of its divisors is an integer number (26295672).

Almost surely, 2100800053 is an apocalyptic number.

It is an amenable number.

100800053 is a deficient number, since it is larger than the sum of its proper divisors (4382635).

100800053 is an equidigital number, since it uses as much as digits as its factorization.

100800053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382634.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 100800053 is about 10039.9229578717. The cubic root of 100800053 is about 465.3934358571.

Adding to 100800053 its reverse (350008001), we get a palindrome (450808054).

The spelling of 100800053 in words is "one hundred million, eight hundred thousand, fifty-three".

Divisors: 1 23 4382611 100800053