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1020242540429 = 7236336910189
BaseRepresentation
bin11101101100010110011…
…00011011011110001101
310121112102110100000122122
432312023030123132031
5113203424042243204
62100405402222325
7133465363335620
oct16661314333615
93545373300578
101020242540429
11363756353152
121458911b49a5
1375292ca3708
1437546a25db7
151b8139410be
hexed8b31b78d

1020242540429 has 8 divisors (see below), whose sum is σ = 1216686756480. Its totient is φ = 836472144816.

The previous prime is 1020242540407. The next prime is 1020242540437. The reversal of 1020242540429 is 9240452420201.

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

It is a de Polignac number, because none of the positive numbers 2k-1020242540429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020242540929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3168454934 + ... + 3168455255.

It is an arithmetic number, because the mean of its divisors is an integer number (152085844560).

Almost surely, 21020242540429 is an apocalyptic number.

It is an amenable number.

1020242540429 is a deficient number, since it is larger than the sum of its proper divisors (196444216051).

1020242540429 is an equidigital number, since it uses as much as digits as its factorization.

1020242540429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6336910219.

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 1020242540429 in words is "one trillion, twenty billion, two hundred forty-two million, five hundred forty thousand, four hundred twenty-nine".

Divisors: 1 7 23 161 6336910189 44358371323 145748934347 1020242540429