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5201001025 = 521118912731
BaseRepresentation
bin1001101100000000…
…01111101001000001
3111102110121020010121
410312000033221001
541122424013100
62220031300241
7242612531203
oct46600175101
914373536117
105201001025
112229914060
12101197a681
1364b6a66cc
14374a64773
1520690c51a
hex13600fa41

5201001025 has 12 divisors (see below), whose sum is σ = 7035536304. Its totient is φ = 3782546000.

The previous prime is 5201001011. The next prime is 5201001031.

5201001025 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5201001025 - 25 = 5201000993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9456091 + ... + 9456640.

It is an arithmetic number, because the mean of its divisors is an integer number (586294692).

Almost surely, 25201001025 is an apocalyptic number.

5201001025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5201001025 is a deficient number, since it is larger than the sum of its proper divisors (1834535279).

5201001025 is a wasteful number, since it uses less digits than its factorization.

5201001025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18912752 (or 18912747 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 5201001025 is about 72117.9660348238. The cubic root of 5201001025 is about 1732.5893736772.

It can be divided in two parts, 520100 and 1025, that added together give a palindrome (521125).

The spelling of 5201001025 in words is "five billion, two hundred one million, one thousand, twenty-five".

Divisors: 1 5 11 25 55 275 18912731 94563655 208040041 472818275 1040200205 5201001025