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1053552205021 = 7119177689861
BaseRepresentation
bin11110101010011001001…
…10101101110011011101
310201201101212100022022211
433111030212231303131
5114230133331030041
62123554544040421
7136055001661441
oct17251446556335
93651355308284
101053552205021
11376899832178
12150228603111
1378470c52b14
1438dc6844821
151c612dcb481
hexf54c9adcdd

1053552205021 has 8 divisors (see below), whose sum is σ = 1073984652288. Its totient is φ = 1033275138000.

The previous prime is 1053552204979. The next prime is 1053552205039. The reversal of 1053552205021 is 1205022553501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1053552205021 is a prime.

It is a super-2 number, since 2×10535522050212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053552205621) 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, 38831370 + ... + 38858491.

It is an arithmetic number, because the mean of its divisors is an integer number (134248081536).

Almost surely, 21053552205021 is an apocalyptic number.

It is an amenable number.

1053552205021 is a deficient number, since it is larger than the sum of its proper divisors (20432447267).

1053552205021 is an equidigital number, since it uses as much as digits as its factorization.

1053552205021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77690123.

The product of its (nonzero) digits is 15000, while the sum is 31.

Adding to 1053552205021 its reverse (1205022553501), we get a palindrome (2258574758522).

The spelling of 1053552205021 in words is "one trillion, fifty-three billion, five hundred fifty-two million, two hundred five thousand, twenty-one".

Divisors: 1 71 191 13561 77689861 5515980131 14838763451 1053552205021