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1042101010420 = 22571733873951
BaseRepresentation
bin11110010101000100000…
…11110111111111110100
310200121211210220100110021
433022202003313333310
5114033210324313140
62114422401134524
7135201143302441
oct17124203677764
93617753810407
101042101010420
11371a52942188
12149b7162a444
1377367700b22
143861ba849c8
151c192914b4a
hexf2a20f7ff4

1042101010420 has 24 divisors (see below), whose sum is σ = 2219234830848. Its totient is φ = 410969412000.

The previous prime is 1042101010399. The next prime is 1042101010421. The reversal of 1042101010420 is 240101012401.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1042101010394 and 1042101010403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042101010421) 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, 366935556 + ... + 366938395.

It is an arithmetic number, because the mean of its divisors is an integer number (92468117952).

Almost surely, 21042101010420 is an apocalyptic number.

1042101010420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042101010420 is an abundant number, since it is smaller than the sum of its proper divisors (1177133820428).

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

1042101010420 is a wasteful number, since it uses less digits than its factorization.

1042101010420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733874031 (or 733874029 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1042101010420 its reverse (240101012401), we get a palindrome (1282202022821).

The spelling of 1042101010420 in words is "one trillion, forty-two billion, one hundred one million, ten thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 733873951 1467747902 2935495804 3669369755 7338739510 14677479020 52105050521 104210101042 208420202084 260525252605 521050505210 1042101010420