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70824090647025 = 32525610472
BaseRepresentation
bin10000000110101000000100…
…110000111011100111110001
3100021202201100122120011211100
4100012220010300323213301
533240340214201201100
6410344045454035013
720626604663404422
oct2006500460734761
9307681318504740
1070824090647025
1120626367876561
127b3a2247a8a69
1330698b5999cb1
14136bc934a1649
1582c46cc32400
hex406a04c3b9f1

70824090647025 has 27 divisors (see below), whose sum is σ = 126854041794571. Its totient is φ = 37772781019440.

The previous prime is 70824090647017. The next prime is 70824090647047. The reversal of 70824090647025 is 52074609042807.

The square root of 70824090647025 is 8415705.

It is a perfect power (a square), and thus also a powerful number.

70824090647025 is a `hidden beast` number, since 7 + 0 + 82 + 4 + 0 + 90 + 6 + 470 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25496672632929 + 45327418014096 = 5049423^2 + 6732564^2 .

It is not a de Polignac number, because 70824090647025 - 23 = 70824090647017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 125955052 + ... + 126516098.

Almost surely, 270824090647025 is an apocalyptic number.

70824090647025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

70824090647025 is the 8415705-th square number.

70824090647025 is the 4207853-rd centered octagonal number.

It is an amenable number.

70824090647025 is a deficient number, since it is larger than the sum of its proper divisors (56029951147546).

70824090647025 is an frugal number, since it uses more digits than its factorization.

70824090647025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122110 (or 561055 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 70824090647025 in words is "seventy trillion, eight hundred twenty-four billion, ninety million, six hundred forty-seven thousand, twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 561047 1683141 2805235 5049423 8415705 14026175 25247115 42078525 126235575 314773736209 944321208627 1573868681045 2832963625881 4721606043135 7869343405225 14164818129405 23608030215675 70824090647025