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101320129948 = 22174313457081
BaseRepresentation
bin101111001011100100…
…1100111110110011100
3100200112011200220002111
41132113021213312130
53130000423124243
6114313522003404
710214543615602
oct1362711476634
9320464626074
10101320129948
1139a73632294
1217777aa6564
13972917501b
144c92501872
1529800a439d
hex1797267d9c

101320129948 has 24 divisors (see below), whose sum is σ = 188175887424. Its totient is φ = 47569420800.

The previous prime is 101320129871. The next prime is 101320129949. The reversal of 101320129948 is 849921023101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 101320129948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101320129949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1699233 + ... + 1757848.

It is an arithmetic number, because the mean of its divisors is an integer number (7840661976).

Almost surely, 2101320129948 is an apocalyptic number.

It is an amenable number.

101320129948 is a deficient number, since it is larger than the sum of its proper divisors (86855757476).

101320129948 is a wasteful number, since it uses less digits than its factorization.

101320129948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3457533 (or 3457531 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 101320129948 in words is "one hundred one billion, three hundred twenty million, one hundred twenty-nine thousand, nine hundred forty-eight".

Divisors: 1 2 4 17 34 68 431 862 1724 7327 14654 29308 3457081 6914162 13828324 58770377 117540754 235081508 1490001911 2980003822 5960007644 25330032487 50660064974 101320129948