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99470562621049 = 1132882612
BaseRepresentation
bin10110100111011111001011…
…100011001111011001111001
3111001012021220112111000122201
4112213133023203033121321
5101014211203012333144
6551320051242150201
726644340161522414
oct2647371343173171
9431167815430581
1099470562621049
1129770257453224
12b1a608a1b2361
134367059372159
141a7c58819ab7b
15b776ce64a1d4
hex5a77cb8cf679

99470562621049 has 9 divisors (see below), whose sum is σ = 100359760170189. Its totient is φ = 98589175124160.

The previous prime is 99470562621011. The next prime is 99470562621149. The reversal of 99470562621049 is 94012626507499.

The square root of 99470562621049 is 9973493.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 91829385045225 + 7641177575824 = 9582765^2 + 2764268^2 .

It is not a de Polignac number, because 99470562621049 - 27 = 99470562620921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99470562621149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1126960579 + ... + 1127048839.

Almost surely, 299470562621049 is an apocalyptic number.

99470562621049 is the 9973493-rd square number.

99470562621049 is the 4986747-th centered octagonal number.

It is an amenable number.

99470562621049 is a deficient number, since it is larger than the sum of its proper divisors (889197549140).

99470562621049 is an frugal number, since it uses more digits than its factorization.

99470562621049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176748 (or 88374 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 64.

The spelling of 99470562621049 in words is "ninety-nine trillion, four hundred seventy billion, five hundred sixty-two million, six hundred twenty-one thousand, forty-nine".

Divisors: 1 113 12769 88261 9973493 1127004709 7790004121 880270465673 99470562621049