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1007748101 = 7649131749
BaseRepresentation
bin111100000100010…
…000010000000101
32121020020220111202
4330010100100011
54030440414401
6243555312245
733654501053
oct7404202005
92536226452
101007748101
11477936078
122415ab685
13130a20a69
1497ba71d3
155d71206b
hex3c110405

1007748101 has 4 divisors (see below), whose sum is σ = 1007887500. Its totient is φ = 1007608704.

The previous prime is 1007748073. The next prime is 1007748109. The reversal of 1007748101 is 1018477001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 143976001 + 863772100 = 11999^2 + 29390^2 .

It is a cyclic number.

It is not a de Polignac number, because 1007748101 - 214 = 1007731717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1007748109) 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, 58226 + ... + 73523.

It is an arithmetic number, because the mean of its divisors is an integer number (251971875).

Almost surely, 21007748101 is an apocalyptic number.

It is an amenable number.

1007748101 is a deficient number, since it is larger than the sum of its proper divisors (139399).

1007748101 is an equidigital number, since it uses as much as digits as its factorization.

1007748101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139398.

The product of its (nonzero) digits is 1568, while the sum is 29.

The square root of 1007748101 is about 31745.0484485376. The cubic root of 1007748101 is about 1002.5760585573.

The spelling of 1007748101 in words is "one billion, seven million, seven hundred forty-eight thousand, one hundred one".

Divisors: 1 7649 131749 1007748101