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70684946942428 = 2271329311405115373
BaseRepresentation
bin10000000100100110011111…
…001001110100100111011100
3100021021102012111010121112201
4100010212133021310213130
533231100232404124203
6410200114421341244
720613550610416240
oct2004463711644734
9307242174117481
1070684946942428
1120582354883875
127b17271867824
13305973c63b890
141365253894420
15828a272a7e1d
hex40499f2749dc

70684946942428 has 192 divisors, whose sum is σ = 162596919582720. Its totient is φ = 26124529536000.

The previous prime is 70684946942411. The next prime is 70684946942431. The reversal of 70684946942428 is 82424964948607.

It is a super-2 number, since 2×706849469424282 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4597985350 + ... + 4598000722.

It is an arithmetic number, because the mean of its divisors is an integer number (846858956160).

Almost surely, 270684946942428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70684946942428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81298459791360).

70684946942428 is an abundant number, since it is smaller than the sum of its proper divisors (91911972640292).

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

70684946942428 is a wasteful number, since it uses less digits than its factorization.

70684946942428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29508 (or 29506 counting only the distinct ones).

The product of its (nonzero) digits is 1337720832, while the sum is 73.

The spelling of 70684946942428 in words is "seventy trillion, six hundred eighty-four billion, nine hundred forty-six million, nine hundred forty-two thousand, four hundred twenty-eight".