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61444042624305 = 32511124129379039
BaseRepresentation
bin11011111100010000011100…
…10101011000110100110001
322001112222210222100102221200
431332020032111120310301
531023144344402434210
6334403000431241413
715641120440631115
oct1576101625306461
9261488728312850
1061444042624305
111863a2aa244960
126a84325679269
1328391c0c314b3
141125c9c39b745
1571847958e0c0
hex37e20e558d31

61444042624305 has 24 divisors (see below), whose sum is σ = 116185098781440. Its totient is φ = 29791050969120.

The previous prime is 61444042624291. The next prime is 61444042624331. The reversal of 61444042624305 is 50342624044416.

61444042624305 is a `hidden beast` number, since 6 + 1 + 44 + 40 + 4 + 262 + 4 + 305 = 666.

61444042624305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61444042624305 - 25 = 61444042624273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62064689025 + ... + 62064690014.

It is an arithmetic number, because the mean of its divisors is an integer number (4841045782560).

Almost surely, 261444042624305 is an apocalyptic number.

It is an amenable number.

61444042624305 is a deficient number, since it is larger than the sum of its proper divisors (54741056157135).

61444042624305 is a wasteful number, since it uses less digits than its factorization.

61444042624305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124129379061 (or 124129379058 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 45.

The spelling of 61444042624305 in words is "sixty-one trillion, four hundred forty-four billion, forty-two million, six hundred twenty-four thousand, three hundred five".

Divisors: 1 3 5 9 11 15 33 45 55 99 165 495 124129379039 372388137117 620646895195 1117164411351 1365423169429 1861940685585 4096269508287 5585822056755 6827115847145 12288808524861 20481347541435 61444042624305