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61409217114 = 2327487374739
BaseRepresentation
bin111001001100010001…
…100100101001011010
312212111201021110012200
4321030101210221122
52001231224421424
644113324351030
74302530506260
oct711421445132
9185451243180
1061409217114
11240529a1803
12ba999a5476
135a386b507b
142d87ac4430
1518e63188c9
hexe4c464a5a

61409217114 has 24 divisors (see below), whose sum is σ = 152060918880. Its totient is φ = 17545490568.

The previous prime is 61409217101. The next prime is 61409217139. The reversal of 61409217114 is 41171290416.

61409217114 is a `hidden beast` number, since 614 + 0 + 9 + 21 + 7 + 1 + 14 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243687244 + ... + 243687495.

It is an arithmetic number, because the mean of its divisors is an integer number (6335871620).

Almost surely, 261409217114 is an apocalyptic number.

61409217114 is an abundant number, since it is smaller than the sum of its proper divisors (90651701766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61409217114 is a wasteful number, since it uses less digits than its factorization.

61409217114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487374754 (or 487374751 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 61409217114 in words is "sixty-one billion, four hundred nine million, two hundred seventeen thousand, one hundred fourteen".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 487374739 974749478 1462124217 2924248434 3411623173 4386372651 6823246346 8772745302 10234869519 20469739038 30704608557 61409217114