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1242103143422 = 2739840394549
BaseRepresentation
bin10010000100110011000…
…111011101101111111110
311101202002022012101212202
4102010303013131233332
5130322311401042142
62350340405031502
7155511321342221
oct22046307355776
94352068171782
101242103143422
1143985592a999
121808899b5592
139018c2b8b1b
144419215d5b8
152249b15b032
hex121331ddbfe

1242103143422 has 8 divisors (see below), whose sum is σ = 1865675901000. Its totient is φ = 620211176424.

The previous prime is 1242103143403. The next prime is 1242103143439. The reversal of 1242103143422 is 2243413012421.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420195797 + ... + 420198752.

It is an arithmetic number, because the mean of its divisors is an integer number (233209487625).

Almost surely, 21242103143422 is an apocalyptic number.

1242103143422 is a deficient number, since it is larger than the sum of its proper divisors (623572757578).

1242103143422 is an equidigital number, since it uses as much as digits as its factorization.

1242103143422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840395290.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1242103143422 its reverse (2243413012421), we get a palindrome (3485516155843).

The spelling of 1242103143422 in words is "one trillion, two hundred forty-two billion, one hundred three million, one hundred forty-three thousand, four hundred twenty-two".

Divisors: 1 2 739 1478 840394549 1680789098 621051571711 1242103143422