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7029993749 = 191908119391
BaseRepresentation
bin1101000110000010…
…10011000100010101
3200010221011200110212
412203001103010111
5103344134244444
63121325055205
7336131650412
oct64301230425
920127150425
107029993749
112a88280399
1214423b7505
138805a811c
144a9927109
152b229119e
hex1a3053115

7029993749 has 8 divisors (see below), whose sum is σ = 7400762880. Its totient is φ = 6659301600.

The previous prime is 7029993713. The next prime is 7029993793. The reversal of 7029993749 is 9473999207.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7029993749 is a prime.

It is a super-2 number, since 2×70299937492 = 98841624221958150002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7029893749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352844 + ... + 372234.

It is an arithmetic number, because the mean of its divisors is an integer number (925095360).

Almost surely, 27029993749 is an apocalyptic number.

It is an amenable number.

7029993749 is a deficient number, since it is larger than the sum of its proper divisors (370769131).

7029993749 is a wasteful number, since it uses less digits than its factorization.

7029993749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38491.

The product of its (nonzero) digits is 7715736, while the sum is 59.

The square root of 7029993749 is about 83845.0579879339. The cubic root of 7029993749 is about 1915.6594791375.

The spelling of 7029993749 in words is "seven billion, twenty-nine million, nine hundred ninety-three thousand, seven hundred forty-nine".

Divisors: 1 19 19081 19391 362539 368429 369999671 7029993749