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7380451453 = 53139253801
BaseRepresentation
bin1101101111110100…
…01100000001111101
3201001100121210001211
412313322030001331
5110103343421303
63220204404421
7350615542114
oct66772140175
921040553054
107380451453
113148088461
12151b846711
1390809174b
145002b2c7b
152d2e1a66d
hex1b7e8c07d

7380451453 has 4 divisors (see below), whose sum is σ = 7519705308. Its totient is φ = 7241197600.

The previous prime is 7380451399. The next prime is 7380451459. The reversal of 7380451453 is 3541540837.

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 3868466809 + 3511984644 = 62197^2 + 59262^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7380451453 is a prime.

It is a super-2 number, since 2×73804514532 (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7380451459) 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 3 ways as a sum of consecutive naturals, for example, 69626848 + ... + 69626953.

It is an arithmetic number, because the mean of its divisors is an integer number (1879926327).

Almost surely, 27380451453 is an apocalyptic number.

It is an amenable number.

7380451453 is a deficient number, since it is larger than the sum of its proper divisors (139253855).

7380451453 is a wasteful number, since it uses less digits than its factorization.

7380451453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139253854.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 7380451453 is about 85909.5539099116. The cubic root of 7380451453 is about 1946.9776940396.

The spelling of 7380451453 in words is "seven billion, three hundred eighty million, four hundred fifty-one thousand, four hundred fifty-three".

Divisors: 1 53 139253801 7380451453