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1012041431 = 8831114601
BaseRepresentation
bin111100010100101…
…000011011010111
32121112100000211222
4330110220123113
54033040311211
6244231320555
734036132052
oct7424503327
92545300758
101012041431
1147a2a8785
12242b2015b
13131894cab
14985a3a99
155dcae1db
hex3c5286d7

1012041431 has 4 divisors (see below), whose sum is σ = 1012164864. Its totient is φ = 1011918000.

The previous prime is 1012041419. The next prime is 1012041439. The reversal of 1012041431 is 1341402101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1012041431 is a prime.

It is a super-2 number, since 2×10120414312 = 2048455716121055522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012041439) 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, 48470 + ... + 66131.

It is an arithmetic number, because the mean of its divisors is an integer number (253041216).

Almost surely, 21012041431 is an apocalyptic number.

1012041431 is a deficient number, since it is larger than the sum of its proper divisors (123433).

1012041431 is an equidigital number, since it uses as much as digits as its factorization.

1012041431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123432.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1012041431 is about 31812.5986206723. The cubic root of 1012041431 is about 1003.9978065776.

Adding to 1012041431 its reverse (1341402101), we get a palindrome (2353443532).

The spelling of 1012041431 in words is "one billion, twelve million, forty-one thousand, four hundred thirty-one".

Divisors: 1 8831 114601 1012041431