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10103214042 = 232561289669
BaseRepresentation
bin10010110100011001…
…01100111111011010
3222002002222110011200
421122030230333122
5131142410322132
64350310535030
7505236621345
oct113214547732
928062873150
1010103214042
114315001279
121b5b667476
13c501b7b7c
146bbb4d45c
153e1e99d7c
hex25a32cfda

10103214042 has 12 divisors (see below), whose sum is σ = 21890297130. Its totient is φ = 3367738008.

The previous prime is 10103214029. The next prime is 10103214091. The reversal of 10103214042 is 24041230101.

It can be written as a sum of positive squares in only one way, i.e., 8201294721 + 1901919321 = 90561^2 + 43611^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 561289669 = 10103214042 / (1 + 0 + 1 + 0 + 3 + 2 + 1 + 4 + 0 + 4 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280644817 + ... + 280644852.

Almost surely, 210103214042 is an apocalyptic number.

10103214042 is an abundant number, since it is smaller than the sum of its proper divisors (11787083088).

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

10103214042 is a wasteful number, since it uses less digits than its factorization.

10103214042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561289677 (or 561289674 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10103214042 its reverse (24041230101), we get a palindrome (34144444143).

The spelling of 10103214042 in words is "ten billion, one hundred three million, two hundred fourteen thousand, forty-two".

Divisors: 1 2 3 6 9 18 561289669 1122579338 1683869007 3367738014 5051607021 10103214042