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10729997945 = 52287938347
BaseRepresentation
bin10011111111000111…
…01100011001111001
31000200210101101001022
421333203230121321
5133433334413240
64532421032225
7526620322562
oct117743543171
930623341038
1010729997945
1146068932a7
1220b5555675
131020000914
1473b0a9169
1542c0089b5
hex27f8ec679

10729997945 has 8 divisors (see below), whose sum is σ = 12881641344. Its totient is φ = 8580235824.

The previous prime is 10729997909. The next prime is 10729997969. The reversal of 10729997945 is 54979992701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10729997945 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457739 + ... + 480608.

It is an arithmetic number, because the mean of its divisors is an integer number (1610205168).

Almost surely, 210729997945 is an apocalyptic number.

It is an amenable number.

10729997945 is a deficient number, since it is larger than the sum of its proper divisors (2151643399).

10729997945 is an equidigital number, since it uses as much as digits as its factorization.

10729997945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940639.

The product of its (nonzero) digits is 12859560, while the sum is 62.

The spelling of 10729997945 in words is "ten billion, seven hundred twenty-nine million, nine hundred ninety-seven thousand, nine hundred forty-five".

Divisors: 1 5 2287 11435 938347 4691735 2145999589 10729997945