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70000625819 = 84198314601
BaseRepresentation
bin100000100110001011…
…1001100100010011011
320200200110112020100002
41001030113030202123
52121330130011234
652054032203215
75025452334125
oct1011427144233
9220613466302
1070000625819
112776158a283
121169709950b
1367a7606467
143560b3a215
151c4a6d627e
hex104c5cc89b

70000625819 has 4 divisors (see below), whose sum is σ = 70008948840. Its totient is φ = 69992302800.

The previous prime is 70000625813. The next prime is 70000625837. The reversal of 70000625819 is 91852600007.

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

It is a cyclic number.

It is not a de Polignac number, because 70000625819 - 220 = 69999577243 is a prime.

It is a super-2 number, since 2×700006258192 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70000625813) 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, 4148882 + ... + 4165719.

It is an arithmetic number, because the mean of its divisors is an integer number (17502237210).

Almost surely, 270000625819 is an apocalyptic number.

70000625819 is a deficient number, since it is larger than the sum of its proper divisors (8323021).

70000625819 is an equidigital number, since it uses as much as digits as its factorization.

70000625819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8323020.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 70000625819 in words is "seventy billion, six hundred twenty-five thousand, eight hundred nineteen".

Divisors: 1 8419 8314601 70000625819