Search a number
-
+
61000106049 = 35353711131
BaseRepresentation
bin111000110011111000…
…111100000001000001
312211110012110110100000
4320303320330001001
51444412011343144
644004551550213
74256432226531
oct706370740101
9184405413300
1061000106049
1123962a73593
12b9a498b369
1359a1a0370c
142d4962b4c1
1518c0455769
hexe33e3c041

61000106049 has 24 divisors (see below), whose sum is σ = 91633624992. Its totient is φ = 40551477120.

The previous prime is 61000106023. The next prime is 61000106051. The reversal of 61000106049 is 94060100016.

61000106049 is a `hidden beast` number, since 610 + 0 + 0 + 1 + 0 + 6 + 0 + 49 = 666.

It is not a de Polignac number, because 61000106049 - 27 = 61000105921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (61000106009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269787 + ... + 441344.

It is an arithmetic number, because the mean of its divisors is an integer number (3818067708).

Almost surely, 261000106049 is an apocalyptic number.

It is an amenable number.

61000106049 is a deficient number, since it is larger than the sum of its proper divisors (30633518943).

61000106049 is an equidigital number, since it uses as much as digits as its factorization.

61000106049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711499 (or 711487 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 61000106049 in words is "sixty-one billion, one hundred six thousand, forty-nine".

Divisors: 1 3 9 27 81 243 353 1059 3177 9531 28593 85779 711131 2133393 6400179 19200537 57601611 172804833 251029243 753087729 2259263187 6777789561 20333368683 61000106049