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61504492952930 = 25192048711580057
BaseRepresentation
bin11011111110000001000010…
…11101000101110101100010
322001202202211212022022102212
431333000201131011311202
531030142200143443210
6334450435103442122
715645360446144216
oct1577004135056542
9261682755268385
1061504492952930
11186629aa942535
126a93b962b6342
132841b05a71b11
141128b94996946
15719d165e7805
hex37f021745d62

61504492952930 has 32 divisors (see below), whose sum is σ = 116535471327360. Its totient is φ = 23306837235840.

The previous prime is 61504492952921. The next prime is 61504492952989. The reversal of 61504492952930 is 3925929440516.

It is a happy number.

61504492952930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 61504492952930.

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 15 ways as a sum of consecutive naturals, for example, 38135462 + ... + 39715518.

It is an arithmetic number, because the mean of its divisors is an integer number (3641733478980).

Almost surely, 261504492952930 is an apocalyptic number.

61504492952930 is a deficient number, since it is larger than the sum of its proper divisors (55030978374430).

61504492952930 is a wasteful number, since it uses less digits than its factorization.

61504492952930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784954.

The product of its (nonzero) digits is 20995200, while the sum is 59.

The spelling of 61504492952930 in words is "sixty-one trillion, five hundred four billion, four hundred ninety-two million, nine hundred fifty-two thousand, nine hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 204871 409742 1024355 1580057 2048710 3160114 3892549 7785098 7900285 15800570 19462745 30021083 38925490 60042166 150105415 300210830 323707857647 647415715294 1618539288235 3237078576470 6150449295293 12300898590586 30752246476465 61504492952930