Search a number
-
+
61066267054 = 21353307144349
BaseRepresentation
bin111000110111110101…
…010100100110101110
312211121210221210011121
4320313311110212232
52000030431021204
644015314011154
74261164464002
oct706765244656
9184553853147
1061066267054
1123997352301
12ba02b76aba
1359b2629a40
142d54330702
1518c6173b54
hexe37d549ae

61066267054 has 32 divisors (see below), whose sum is σ = 100834826400. Its totient is φ = 27562384512.

The previous prime is 61066267033. The next prime is 61066267057. The reversal of 61066267054 is 45076266016.

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 61066267054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61066267057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350872 + ... + 495220.

It is an arithmetic number, because the mean of its divisors is an integer number (3151088325).

Almost surely, 261066267054 is an apocalyptic number.

61066267054 is a deficient number, since it is larger than the sum of its proper divisors (39768559346).

61066267054 is a wasteful number, since it uses less digits than its factorization.

61066267054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144724.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 61066267054 in words is "sixty-one billion, sixty-six million, two hundred sixty-seven thousand, fifty-four".

Divisors: 1 2 13 26 53 106 307 614 689 1378 3991 7982 16271 32542 144349 211523 288698 423046 1876537 3753074 7650497 15300994 44315143 88630286 99456461 198912922 576096859 1152193718 2348702579 4697405158 30533133527 61066267054