Search a number
-
+
61055110154 = 22916725724527
BaseRepresentation
bin111000110111001010…
…110000110000001010
312211121000221221210002
4320313022300300022
52000020102011104
644014234523002
74261000605413
oct706712606012
9184530857702
1061055110154
1123991021a25
12b9bb296462
1359b022171c
142d52a6880a
1518c51bd01e
hexe372b0c0a

61055110154 has 32 divisors (see below), whose sum is σ = 95682746880. Its totient is φ = 29183193088.

The previous prime is 61055110147. The next prime is 61055110163. The reversal of 61055110154 is 45101155016.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2477039 + ... + 2501565.

It is an arithmetic number, because the mean of its divisors is an integer number (2990085840).

Almost surely, 261055110154 is an apocalyptic number.

61055110154 is a deficient number, since it is larger than the sum of its proper divisors (34627636726).

61055110154 is a wasteful number, since it uses less digits than its factorization.

61055110154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24982.

The product of its (nonzero) digits is 3000, while the sum is 29.

The spelling of 61055110154 in words is "sixty-one billion, fifty-five million, one hundred ten thousand, one hundred fifty-four".

Divisors: 1 2 29 58 167 257 334 514 4843 7453 9686 14906 24527 42919 49054 85838 711283 1244651 1422566 2489302 4096009 6303439 8192018 12606878 118784261 182799731 237568522 365599462 1052674313 2105348626 30527555077 61055110154