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1061505068 = 221320413559
BaseRepresentation
bin111111010001010…
…100100000101100
32201222102001012112
4333101110200230
54133221130233
6253155423152
735206433651
oct7721244054
92658361175
101061505068
114a5212518
122575b4ab8
1313bbc3210
14a0d9bc28
15632d0048
hex3f45482c

1061505068 has 12 divisors (see below), whose sum is σ = 2000528880. Its totient is φ = 489925392.

The previous prime is 1061505043. The next prime is 1061505077. The reversal of 1061505068 is 8605051601.

It is a happy number.

It is a super-2 number, since 2×10615050682 = 2253586018779369248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10206728 + ... + 10206831.

It is an arithmetic number, because the mean of its divisors is an integer number (166710740).

Almost surely, 21061505068 is an apocalyptic number.

It is an amenable number.

1061505068 is a deficient number, since it is larger than the sum of its proper divisors (939023812).

1061505068 is a wasteful number, since it uses less digits than its factorization.

1061505068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20413576 (or 20413574 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 1061505068 is about 32580.7468913774. The cubic root of 1061505068 is about 1020.0951686161.

Adding to 1061505068 its reverse (8605051601), we get a palindrome (9666556669).

The spelling of 1061505068 in words is "one billion, sixty-one million, five hundred five thousand, sixty-eight".

Divisors: 1 2 4 13 26 52 20413559 40827118 81654236 265376267 530752534 1061505068