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10302453001 = 1015012
BaseRepresentation
bin10011001100001001…
…01111010100001001
3222120222212211122101
421212010233110021
5132044411444001
64422145153401
7513206256061
oct114604572411
928528784571
1010302453001
114407514475
121bb632b861
13c82566949
146da3b43a1
15404703a01
hex26612f509

10302453001 has 3 divisors (see below), whose sum is σ = 10302554503. Its totient is φ = 10302351500.

The previous prime is 10302452987. The next prime is 10302453017. The reversal of 10302453001 is 10035420301.

The square root of 10302453001 is 101501.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10035420301 = 50497198733.

It can be written as a sum of positive squares in only one way, i.e., 5975444601 + 4327008400 = 77301^2 + 65780^2 .

It is a de Polignac number, because none of the positive numbers 2k-10302453001 is a prime.

It is a super-2 number, since 2×103024530012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10302453001.

It is not an unprimeable number, because it can be changed into a prime (10302453041) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 50751 + ... + 152251.

Almost surely, 210302453001 is an apocalyptic number.

10302453001 is the 101501-st square number.

10302453001 is the 50751-st centered octagonal number.

It is an amenable number.

10302453001 is a deficient number, since it is larger than the sum of its proper divisors (101502).

10302453001 is an frugal number, since it uses more digits than its factorization.

10302453001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203002 (or 101501 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 10302453001 its reverse (10035420301), we get a palindrome (20337873302).

It can be divided in two parts, 103024 and 53001, that added together give a square (156025 = 3952).

The spelling of 10302453001 in words is "ten billion, three hundred two million, four hundred fifty-three thousand, one".

Divisors: 1 101501 10302453001