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29290976569 = 101317914857
BaseRepresentation
bin11011010001111000…
…001101010100111001
32210121100010210002001
4123101320031110321
5434441442222234
621242303141001
72054600123101
oct332170152471
983540123061
1029290976569
1111470aa1258
1258155a4761
1329ba5167ca
1415bc202201
15b66772d14
hex6d1e0d539

29290976569 has 8 divisors (see below), whose sum is σ = 29674334088. Its totient is φ = 28909449600.

The previous prime is 29290976551. The next prime is 29290976573. The reversal of 29290976569 is 96567909292.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1882518544 + 27408458025 = 43388^2 + 165555^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 29290976569 - 219 = 29290452281 is a prime.

It is a super-2 number, since 2×292909765692 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29290976569.

It is not an unprimeable number, because it can be changed into a prime (29290976269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425412 + ... + 489445.

It is an arithmetic number, because the mean of its divisors is an integer number (3709291761).

Almost surely, 229290976569 is an apocalyptic number.

It is an amenable number.

29290976569 is a deficient number, since it is larger than the sum of its proper divisors (383357519).

29290976569 is a wasteful number, since it uses less digits than its factorization.

29290976569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915275.

The product of its (nonzero) digits is 33067440, while the sum is 64.

The spelling of 29290976569 in words is "twenty-nine billion, two hundred ninety million, nine hundred seventy-six thousand, five hundred sixty-nine".

Divisors: 1 101 317 32017 914857 92400557 290009669 29290976569