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1142427103 = 9712792737
BaseRepresentation
bin100010000011000…
…0000110111011111
32221121200022100221
41010012000313133
54314430131403
6305210102211
740211320156
oct10406006737
92847608327
101142427103
11536963434
1227a71a967
131528b718c
14aba2459d
156a466dbd
hex44180ddf

1142427103 has 8 divisors (see below), whose sum is σ = 1163305472. Its totient is φ = 1121734656.

The previous prime is 1142427071. The next prime is 1142427161. The reversal of 1142427103 is 3017242411.

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

It is a cyclic number.

It is not a de Polignac number, because 1142427103 - 25 = 1142427071 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 (1142427163) 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, 34050 + ... + 58687.

It is an arithmetic number, because the mean of its divisors is an integer number (145413184).

Almost surely, 21142427103 is an apocalyptic number.

1142427103 is a deficient number, since it is larger than the sum of its proper divisors (20878369).

1142427103 is an equidigital number, since it uses as much as digits as its factorization.

1142427103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92961.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1142427103 is about 33799.8092154379. The cubic root of 1142427103 is about 1045.3847634223.

Adding to 1142427103 its reverse (3017242411), we get a palindrome (4159669514).

The spelling of 1142427103 in words is "one billion, one hundred forty-two million, four hundred twenty-seven thousand, one hundred three".

Divisors: 1 97 127 12319 92737 8995489 11777599 1142427103