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70812356494 = 2115360731009
BaseRepresentation
bin100000111110010111…
…1101100111110001110
320202210000221102111011
41001330233230332032
52130010430401434
652310350315434
75054540045635
oct1017457547616
9222700842434
1070812356494
1128038802580
1211882ab8b7a
1368a6835879
1435da87a51c
151c96ac8e64
hex107cbecf8e

70812356494 has 16 divisors (see below), whose sum is σ = 118061083440. Its totient is φ = 31580124160.

The previous prime is 70812356491. The next prime is 70812356557. The reversal of 70812356494 is 49465321807.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70812356491) 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, 30364339 + ... + 30366670.

It is an arithmetic number, because the mean of its divisors is an integer number (7378817715).

It is a 1-persistent number, because it is pandigital, but 2⋅70812356494 = 141624712988 is not.

Almost surely, 270812356494 is an apocalyptic number.

70812356494 is a deficient number, since it is larger than the sum of its proper divisors (47248726946).

70812356494 is a wasteful number, since it uses less digits than its factorization.

70812356494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60731075.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 70812356494 in words is "seventy billion, eight hundred twelve million, three hundred fifty-six thousand, four hundred ninety-four".

Divisors: 1 2 11 22 53 106 583 1166 60731009 121462018 668041099 1336082198 3218743477 6437486954 35406178247 70812356494