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6161060020 = 225743414607
BaseRepresentation
bin1011011110011101…
…00101000010110100
3120220101010021111011
411233032211002310
5100104212410040
62455204522004
7305451101053
oct55716450264
916811107434
106161060020
112681837645
12123b3b0304
1377256ab5b
1442637639a
15260d4e3ea
hex16f3a50b4

6161060020 has 24 divisors (see below), whose sum is σ = 12955670784. Its totient is φ = 2461101216.

The previous prime is 6161060011. The next prime is 6161060029. The reversal of 6161060020 is 200601616.

It is an interprime number because it is at equal distance from previous prime (6161060011) and next prime (6161060029).

It is a junction number, because it is equal to n+sod(n) for n = 6161059973 and 6161060000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6161060029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192444 + ... + 222163.

It is an arithmetic number, because the mean of its divisors is an integer number (539819616).

Almost surely, 26161060020 is an apocalyptic number.

It is an amenable number.

6161060020 is an abundant number, since it is smaller than the sum of its proper divisors (6794610764).

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

6161060020 is a wasteful number, since it uses less digits than its factorization.

6161060020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415359 (or 415357 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 6161060020 is about 78492.4201436037. The cubic root of 6161060020 is about 1833.2364339603.

Adding to 6161060020 its reverse (200601616), we get a palindrome (6361661636).

The spelling of 6161060020 in words is "six billion, one hundred sixty-one million, sixty thousand, twenty".

Divisors: 1 2 4 5 10 20 743 1486 2972 3715 7430 14860 414607 829214 1658428 2073035 4146070 8292140 308053001 616106002 1232212004 1540265005 3080530010 6161060020