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1030103212 = 22257525803
BaseRepresentation
bin111101011001100…
…010000010101100
32122210022122221211
4331121202002230
54102201300322
6250114404204
734345506235
oct7531420254
92583278854
101030103212
11489514876
12248b90664
1313554a138
149ab4608c
156067ab77
hex3d6620ac

1030103212 has 6 divisors (see below), whose sum is σ = 1802680628. Its totient is φ = 515051604.

The previous prime is 1030103209. The next prime is 1030103213. The reversal of 1030103212 is 2123010301.

It is a super-2 number, since 2×10301032122 = 2122225254745433888, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1030103192 and 1030103201.

It is not an unprimeable number, because it can be changed into a prime (1030103213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128762898 + ... + 128762905.

Almost surely, 21030103212 is an apocalyptic number.

It is an amenable number.

1030103212 is a deficient number, since it is larger than the sum of its proper divisors (772577416).

1030103212 is a wasteful number, since it uses less digits than its factorization.

1030103212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257525807 (or 257525805 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1030103212 is about 32095.2210149736. The cubic root of 1030103212 is about 1009.9353655988.

Adding to 1030103212 its reverse (2123010301), we get a palindrome (3153113513).

The spelling of 1030103212 in words is "one billion, thirty million, one hundred three thousand, two hundred twelve".

Divisors: 1 2 4 257525803 515051606 1030103212