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429954292681 = 192345112
BaseRepresentation
bin1100100000110110100…
…01011101101111001001
31112002210020212002201021
412100123101131233021
524021021244331211
6525303540352441
743030445121244
oct6203321355711
91462706762637
10429954292681
11156384a97891
126b3b29a5721
13317103bbb94
1416b4a51025b
15b2b64e4771
hex641b45dbc9

429954292681 has 9 divisors (see below), whose sum is σ = 453787624173. Its totient is φ = 407313316620.

The previous prime is 429954292633. The next prime is 429954292699. The reversal of 429954292681 is 186292459924.

The square root of 429954292681 is 655709.

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

It is not a de Polignac number, because 429954292681 - 225 = 429920738249 is a prime.

It is a super-2 number, since 2×4299542926812 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (429954292181) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12441216 + ... + 12475726.

Almost surely, 2429954292681 is an apocalyptic number.

429954292681 is the 655709-th square number.

429954292681 is the 327855-th centered octagonal number.

It is an amenable number.

429954292681 is a deficient number, since it is larger than the sum of its proper divisors (23833331492).

429954292681 is an frugal number, since it uses more digits than its factorization.

429954292681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69060 (or 34530 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 61.

The spelling of 429954292681 in words is "four hundred twenty-nine billion, nine hundred fifty-four million, two hundred ninety-two thousand, six hundred eighty-one".

Divisors: 1 19 361 34511 655709 12458471 1191009121 22629173299 429954292681