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70682302980 = 22325392679461
BaseRepresentation
bin100000111010011111…
…1100101101000000100
320202102222020000121100
41001310333211220010
52124224132143410
652245423020100
75051400443112
oct1016477455004
9222388200540
1070682302980
1127a81354433
121184743a630
1368858cb923
1435c74a4ab2
151c8a4898c0
hex1074fe5a04

70682302980 has 36 divisors (see below), whose sum is σ = 214402986252. Its totient is φ = 18848614080.

The previous prime is 70682302973. The next prime is 70682303017. The reversal of 70682302980 is 8920328607.

70682302980 is a `hidden beast` number, since 70 + 68 + 230 + 298 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31066177536 + 39616125444 = 176256^2 + 199038^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196339551 + ... + 196339910.

It is an arithmetic number, because the mean of its divisors is an integer number (5955638507).

Almost surely, 270682302980 is an apocalyptic number.

It is an amenable number.

70682302980 is an abundant number, since it is smaller than the sum of its proper divisors (143720683272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70682302980 is a wasteful number, since it uses less digits than its factorization.

70682302980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392679476 (or 392679471 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 70682302980 in words is "seventy billion, six hundred eighty-two million, three hundred two thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 392679461 785358922 1178038383 1570717844 1963397305 2356076766 3534115149 3926794610 4712153532 5890191915 7068230298 7853589220 11780383830 14136460596 17670575745 23560767660 35341151490 70682302980