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70000740737 = 97721657121
BaseRepresentation
bin100000100110001011…
…1101000100110000001
320200200110202001222022
41001030113220212001
52121330142200422
652054034451225
75025453323144
oct1011427504601
9220613661868
1070000740737
1127761658654
1211697133b15
1367a7646865
143560b6a05b
151c4a70a342
hex104c5e8981

70000740737 has 4 divisors (see below), whose sum is σ = 70722397956. Its totient is φ = 69279083520.

The previous prime is 70000740703. The next prime is 70000740739. The reversal of 70000740737 is 73704700007.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52422223681 + 17578517056 = 228959^2 + 132584^2 .

It is a cyclic number.

It is not a de Polignac number, because 70000740737 - 216 = 70000675201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70000740697 and 70000740706.

It is not an unprimeable number, because it can be changed into a prime (70000740739) 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, 360828464 + ... + 360828657.

It is an arithmetic number, because the mean of its divisors is an integer number (17680599489).

Almost surely, 270000740737 is an apocalyptic number.

It is an amenable number.

70000740737 is a deficient number, since it is larger than the sum of its proper divisors (721657219).

70000740737 is an equidigital number, since it uses as much as digits as its factorization.

70000740737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721657218.

The product of its (nonzero) digits is 28812, while the sum is 35.

The spelling of 70000740737 in words is "seventy billion, seven hundred forty thousand, seven hundred thirty-seven".

Divisors: 1 97 721657121 70000740737