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9910766570769 = 343497932
BaseRepresentation
bin1001000000111000011110…
…1110001000110100010001
31022002110102100210101010000
42100032013232020310101
52244334222220231034
633024535431000213
72042013014614041
oct220160756106421
938073370711100
109910766570769
1131811503a0999
121140933809069
1356b7730b331c
1426397dd77721
15122c06038599
hex90387b88d11

9910766570769 has 15 divisors (see below), whose sum is σ = 14805014609803. Its totient is φ = 6607158825024.

The previous prime is 9910766570741. The next prime is 9910766570827. The reversal of 9910766570769 is 9670756670199.

The square root of 9910766570769 is 3148137.

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

It can be written as a sum of positive squares in only one way, i.e., 504817355025 + 9405949215744 = 710505^2 + 3066912^2 .

It is not a de Polignac number, because 9910766570769 - 27 = 9910766570641 is a prime.

It is a super-2 number, since 2×99107665707692 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9910766570697 and 9910766570706.

It is not an unprimeable number, because it can be changed into a prime (9910766520769) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 28158337 + ... + 28508129.

Almost surely, 29910766570769 is an apocalyptic number.

9910766570769 is the 3148137-th square number.

9910766570769 is the 1574069-th centered octagonal number.

It is an amenable number.

9910766570769 is a deficient number, since it is larger than the sum of its proper divisors (4894248039034).

9910766570769 is an frugal number, since it uses more digits than its factorization.

9910766570769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699598 (or 349796 counting only the distinct ones).

The product of its (nonzero) digits is 270050760, while the sum is 72.

The spelling of 9910766570769 in words is "nine trillion, nine hundred ten billion, seven hundred sixty-six million, five hundred seventy thousand, seven hundred sixty-nine".

Divisors: 1 3 9 27 81 349793 1049379 3148137 9444411 28333233 122355142849 367065428547 1101196285641 3303588856923 9910766570769