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73561151047401 = 3210974985882821
BaseRepresentation
bin10000101110011101001010…
…010001110000011011101001
3100122110101012002120211102200
4100232131022101300123221
534120211214132004101
6420241305401250413
721331421620056513
oct2056351221603351
9318411162524380
1073561151047401
11214911220382a6
128300788793a09
133207a2c726594
141424543260bb3
1587876368b986
hex42e74a4706e9

73561151047401 has 12 divisors (see below), whose sum is σ = 107229812435460. Its totient is φ = 48590852067360.

The previous prime is 73561151047379. The next prime is 73561151047427. The reversal of 73561151047401 is 10474015116537.

73561151047401 is a `hidden beast` number, since 7 + 3 + 5 + 61 + 1 + 510 + 4 + 74 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 41116962887001 + 32444188160400 = 6412251^2 + 5695980^2 .

It is not a de Polignac number, because 73561151047401 - 27 = 73561151047273 is a prime.

It is a super-2 number, since 2×735611510474012 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73561151040401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37492940430 + ... + 37492942391.

It is an arithmetic number, because the mean of its divisors is an integer number (8935817702955).

Almost surely, 273561151047401 is an apocalyptic number.

It is an amenable number.

73561151047401 is a deficient number, since it is larger than the sum of its proper divisors (33668661388059).

73561151047401 is a wasteful number, since it uses less digits than its factorization.

73561151047401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74985882936 (or 74985882933 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 73561151047401 in words is "seventy-three trillion, five hundred sixty-one billion, one hundred fifty-one million, forty-seven thousand, four hundred one".

Divisors: 1 3 9 109 327 981 74985882821 224957648463 674872945389 8173461227489 24520383682467 73561151047401