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1020403102 = 2510201551
BaseRepresentation
bin111100110100100…
…001110110011110
32122010001211220111
4330310201312132
54042210344402
6245130440234
734200166105
oct7464416636
92563054814
101020403102
11483a99a54
1224589307a
13133531c24
149973d03c
155e8b19d7
hex3cd21d9e

1020403102 has 4 divisors (see below), whose sum is σ = 1530604656. Its totient is φ = 510201550.

The previous prime is 1020403093. The next prime is 1020403103. The reversal of 1020403102 is 2013040201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020403103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255100774 + ... + 255100777.

It is an arithmetic number, because the mean of its divisors is an integer number (382651164).

Almost surely, 21020403102 is an apocalyptic number.

1020403102 is a deficient number, since it is larger than the sum of its proper divisors (510201554).

1020403102 is an equidigital number, since it uses as much as digits as its factorization.

1020403102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510201553.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1020403102 is about 31943.7490285658. The cubic root of 1020403102 is about 1006.7552972025.

Adding to 1020403102 its reverse (2013040201), we get a palindrome (3033443303).

The spelling of 1020403102 in words is "one billion, twenty million, four hundred three thousand, one hundred two".

Divisors: 1 2 510201551 1020403102