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722961020429 = 1490334851013
BaseRepresentation
bin10101000010100111101…
…01011011011000001101
32120010002101201002101222
422201103311123120031
543321111010123204
61312042415413125
7103142435165024
oct12412365333015
92503071632358
10722961020429
1125967371513a
12b81462241a5
135323742bb6b
1426dc49678bb
1513c14c67abe
hexa853d5b60d

722961020429 has 4 divisors (see below), whose sum is σ = 722966020476. Its totient is φ = 722956020384.

The previous prime is 722961020407. The next prime is 722961020459. The reversal of 722961020429 is 924020169227.

It is a happy number.

722961020429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 924020169227 = 4999918480773.

It can be written as a sum of positive squares in 2 ways, for example, as 521002458025 + 201958562404 = 721805^2 + 449398^2 .

It is a cyclic number.

It is not a de Polignac number, because 722961020429 - 216 = 722960954893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 722961020429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722961020459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2276474 + ... + 2574539.

It is an arithmetic number, because the mean of its divisors is an integer number (180741505119).

Almost surely, 2722961020429 is an apocalyptic number.

It is an amenable number.

722961020429 is a deficient number, since it is larger than the sum of its proper divisors (5000047).

722961020429 is a wasteful number, since it uses less digits than its factorization.

722961020429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000046.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 722961020429 in words is "seven hundred twenty-two billion, nine hundred sixty-one million, twenty thousand, four hundred twenty-nine".

Divisors: 1 149033 4851013 722961020429