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61061103 = 3231218857
BaseRepresentation
bin1110100011101…
…1011111101111
311020220020002100
43220323133233
5111112423403
610020430143
71341003465
oct350733757
9136806070
1061061103
1131516124
1218548353
13c85bc3c
148176835
1555622a3
hex3a3b7ef

61061103 has 12 divisors (see below), whose sum is σ = 91044928. Its totient is φ = 39394080.

The previous prime is 61061101. The next prime is 61061107. The reversal of 61061103 is 30116016.

It is not a de Polignac number, because 61061103 - 21 = 61061101 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 (61061101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109150 + ... + 109707.

Almost surely, 261061103 is an apocalyptic number.

61061103 is a deficient number, since it is larger than the sum of its proper divisors (29983825).

61061103 is a wasteful number, since it uses less digits than its factorization.

61061103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218894 (or 218891 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 61061103 is about 7814.1604155533. The cubic root of 61061103 is about 393.7811125831.

Adding to 61061103 its reverse (30116016), we get a palindrome (91177119).

The spelling of 61061103 in words is "sixty-one million, sixty-one thousand, one hundred three".

Divisors: 1 3 9 31 93 279 218857 656571 1969713 6784567 20353701 61061103