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1020144142104 = 23342506005921
BaseRepresentation
bin11101101100001010101…
…01000100011100011000
310121112011121011212112020
432312011111010130120
5113203223400021404
62100351525214440
7133463060064213
oct16660525043430
93545147155466
101020144142104
1136370585601a
12145864261420
13752787a0c59
143753793077a
151b809ea5ed9
hexed85544718

1020144142104 has 16 divisors (see below), whose sum is σ = 2550360355320. Its totient is φ = 340048047360.

The previous prime is 1020144142079. The next prime is 1020144142109. The reversal of 1020144142104 is 4012414410201.

It is a super-2 number, since 2×10201441421042 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 42506005921 = 1020144142104 / (1 + 0 + 2 + 0 + 1 + 4 + 4 + 1 + 4 + 2 + 1 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020144142109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21253002937 + ... + 21253002984.

Almost surely, 21020144142104 is an apocalyptic number.

It is an amenable number.

1020144142104 is an abundant number, since it is smaller than the sum of its proper divisors (1530216213216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020144142104 is a wasteful number, since it uses less digits than its factorization.

1020144142104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42506005930 (or 42506005926 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 1020144142104 its reverse (4012414410201), we get a palindrome (5032558552305).

The spelling of 1020144142104 in words is "one trillion, twenty billion, one hundred forty-four million, one hundred forty-two thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 24 42506005921 85012011842 127518017763 170024023684 255036035526 340048047368 510072071052 1020144142104