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628702993011 = 31873111888769
BaseRepresentation
bin10010010011000011001…
…11100101101001110011
32020002210101121011202110
421021201213211221303
540300040431234021
61200453331020403
763264563160252
oct11114147455163
92202711534673
10628702993011
112226a44a4025
12a1a1b43a703
13473953c4a42
142260234a799
1511549b98476
hex92619e5a73

628702993011 has 8 divisors (see below), whose sum is σ = 838718219920. Its totient is φ = 418911547392.

The previous prime is 628702992989. The next prime is 628702993057. The reversal of 628702993011 is 110399207826.

628702993011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2k-628702993011 is a prime.

It is a super-2 number, since 2×6287029930112 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628702993081) 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, 55938766 + ... + 55950003.

It is an arithmetic number, because the mean of its divisors is an integer number (104839777490).

Almost surely, 2628702993011 is an apocalyptic number.

628702993011 is a deficient number, since it is larger than the sum of its proper divisors (210015226909).

628702993011 is a wasteful number, since it uses less digits than its factorization.

628702993011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111890645.

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 628702993011 in words is "six hundred twenty-eight billion, seven hundred two million, nine hundred ninety-three thousand, eleven".

Divisors: 1 3 1873 5619 111888769 335666307 209567664337 628702993011