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1020352241455 = 51731179597967
BaseRepresentation
bin11101101100100011011…
…10111001111100101111
310121112201002202102011121
432312101232321330233
5113204140133211310
62100424321401411
7133501164643651
oct16662156717457
93545632672147
101020352241455
11363802270158
12145901a99267
13752ac932971
14375574206d1
151b81d3b00da
hexed91bb9f2f

1020352241455 has 8 divisors (see below), whose sum is σ = 1231500278592. Its totient is φ = 811563400608.

The previous prime is 1020352241453. The next prime is 1020352241539. The reversal of 1020352241455 is 5541422530201.

It is a happy number.

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 1020352241455 - 21 = 1020352241453 is a prime.

It is a super-2 number, since 2×10203522414552 (a number of 25 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 1020352241455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020352241453) 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, 589798119 + ... + 589799848.

It is an arithmetic number, because the mean of its divisors is an integer number (153937534824).

Almost surely, 21020352241455 is an apocalyptic number.

1020352241455 is a deficient number, since it is larger than the sum of its proper divisors (211148037137).

1020352241455 is a wasteful number, since it uses less digits than its factorization.

1020352241455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179598145.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 1020352241455 its reverse (5541422530201), we get a palindrome (6561774771656).

The spelling of 1020352241455 in words is "one trillion, twenty billion, three hundred fifty-two million, two hundred forty-one thousand, four hundred fifty-five".

Divisors: 1 5 173 865 1179597967 5897989835 204070448291 1020352241455