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70637404442870 = 2531325370046909
BaseRepresentation
bin10000000011111010001101…
…011001100101000011110110
3100021002212111011112101202202
4100003322031121211003312
533224310401014132440
6410122213044504502
720610245506013636
oct2003721531450366
9307085434471682
1070637404442870
1120564178327221
127b0a0039ab132
133055103a6ab35
141362c236b06c6
15827693546615
hex403e8d6650f6

70637404442870 has 32 divisors (see below), whose sum is σ = 131289203600640. Its totient is φ = 27335105377920.

The previous prime is 70637404442851. The next prime is 70637404442897. The reversal of 70637404442870 is 7824440473607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34015025 + ... + 36031884.

It is an arithmetic number, because the mean of its divisors is an integer number (4102787612520).

Almost surely, 270637404442870 is an apocalyptic number.

70637404442870 is a deficient number, since it is larger than the sum of its proper divisors (60651799157770).

70637404442870 is a wasteful number, since it uses less digits than its factorization.

70637404442870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70050200.

The product of its (nonzero) digits is 25288704, while the sum is 56.

The spelling of 70637404442870 in words is "seventy trillion, six hundred thirty-seven billion, four hundred four million, four hundred forty-two thousand, eight hundred seventy".

Divisors: 1 2 5 10 31 62 155 310 3253 6506 16265 32530 100843 201686 504215 1008430 70046909 140093818 350234545 700469090 2171454179 4342908358 10857270895 21714541790 227862594977 455725189954 1139312974885 2278625949770 7063740444287 14127480888574 35318702221435 70637404442870