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70020063125 = 54846113241
BaseRepresentation
bin100000100110110000…
…1010101111110010101
320200201211002202022022
41001031201111332111
52121400114010000
652100004542525
75026106500505
oct1011541257625
9220654082268
1070020063125
1127771555871
12116a16b1a45
1367ab65071c
143563559a05
151c4c275585
hex104d855f95

70020063125 has 20 divisors (see below), whose sum is σ = 87514020924. Its totient is φ = 56005200000.

The previous prime is 70020063089. The next prime is 70020063149. The reversal of 70020063125 is 52136002007.

It can be written as a sum of positive squares in 10 ways, for example, as 17688468004 + 52331595121 = 132998^2 + 228761^2 .

It is not a de Polignac number, because 70020063125 - 232 = 65725095829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70020063094 and 70020063103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5281505 + ... + 5294745.

Almost surely, 270020063125 is an apocalyptic number.

It is an amenable number.

70020063125 is a deficient number, since it is larger than the sum of its proper divisors (17493957799).

70020063125 is an equidigital number, since it uses as much as digits as its factorization.

70020063125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21722 (or 21707 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The spelling of 70020063125 in words is "seventy billion, twenty million, sixty-three thousand, one hundred twenty-five".

Divisors: 1 5 25 125 625 8461 13241 42305 66205 211525 331025 1057625 1655125 5288125 8275625 112032101 560160505 2800802525 14004012625 70020063125