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1020242303455 = 5746992731609
BaseRepresentation
bin11101101100010110010…
…11100001100111011111
310121112102102212222120211
432312023023201213133
5113203424012202310
62100405353153251
7133465361331004
oct16661313414737
93545372788524
101020242303455
11363756201101
121458910bb827
1375292c1c8ab
14375469a38ab
151b8138e5c8a
hexed8b2e19df

1020242303455 has 8 divisors (see below), whose sum is σ = 1224307602000. Its totient is φ = 816182617536.

The previous prime is 1020242303449. The next prime is 1020242303459. The reversal of 1020242303455 is 5543032420201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020242303455 - 215 = 1020242270687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020242303459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992310 + ... + 1739299.

It is an arithmetic number, because the mean of its divisors is an integer number (153038450250).

Almost surely, 21020242303455 is an apocalyptic number.

1020242303455 is a deficient number, since it is larger than the sum of its proper divisors (204065298545).

1020242303455 is an equidigital number, since it uses as much as digits as its factorization.

1020242303455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806313.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 1020242303455 its reverse (5543032420201), we get a palindrome (6563274723656).

The spelling of 1020242303455 in words is "one trillion, twenty billion, two hundred forty-two million, three hundred three thousand, four hundred fifty-five".

Divisors: 1 5 74699 373495 2731609 13658045 204048460691 1020242303455