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61010551105 = 572467770639
BaseRepresentation
bin111000110100100000…
…110010000101000001
312211110221010010020221
4320310200302011001
51444422200113410
644010003503041
74256620061560
oct706440620501
9184427103227
1061010551105
1123968958069
12b9a8387a81
1359a3c1ca1a
142d4ab89bd7
1518c131a4da
hexe34832141

61010551105 has 16 divisors (see below), whose sum is σ = 83676188160. Its totient is φ = 41833518912.

The previous prime is 61010551097. The next prime is 61010551117. The reversal of 61010551105 is 50115501016.

It is a cyclic number.

It is not a de Polignac number, because 61010551105 - 23 = 61010551097 is a prime.

It is a super-2 number, since 2×610105511052 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61010551105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 828376 + ... + 899014.

It is an arithmetic number, because the mean of its divisors is an integer number (5229761760).

Almost surely, 261010551105 is an apocalyptic number.

It is an amenable number.

61010551105 is a deficient number, since it is larger than the sum of its proper divisors (22665637055).

61010551105 is a wasteful number, since it uses less digits than its factorization.

61010551105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95328.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 61010551105 in words is "sixty-one billion, ten million, five hundred fifty-one thousand, one hundred five".

Divisors: 1 5 7 35 24677 70639 123385 172739 353195 494473 863695 2472365 1743158603 8715793015 12202110221 61010551105