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61145054116 = 22671042721881
BaseRepresentation
bin111000111100100001…
…110111101110100100
312211211022012120200221
4320330201313232210
52000211113212431
644031210414124
74263142245616
oct707441675644
9184738176627
1061145054116
1123a27875183
12ba25431344
1359c5a53cc3
142d6099cdb6
1518cd038111
hexe3c877ba4

61145054116 has 24 divisors (see below), whose sum is σ = 108616296096. Its totient is φ = 30111956160.

The previous prime is 61145054111. The next prime is 61145054119.

61145054116 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (61145054111) 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, 2783496 + ... + 2805376.

It is an arithmetic number, because the mean of its divisors is an integer number (4525679004).

Almost surely, 261145054116 is an apocalyptic number.

It is an amenable number.

61145054116 is a deficient number, since it is larger than the sum of its proper divisors (47471241980).

61145054116 is a wasteful number, since it uses less digits than its factorization.

61145054116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32379 (or 32377 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

It can be divided in two parts, 611450 and 54116, that added together give a palindrome (665566).

The spelling of 61145054116 in words is "sixty-one billion, one hundred forty-five million, fifty-four thousand, one hundred sixteen".

Divisors: 1 2 4 67 134 268 10427 20854 21881 41708 43762 87524 698609 1397218 1466027 2794436 2932054 5864108 228153187 456306374 912612748 15286263529 30572527058 61145054116