| Base | Representation |
|---|---|
| bin | 11111111011101000101001… |
| … | …11101100010000000000000 |
| 3 | 100012121211220221201200200000 |
| 4 | 33331310110331202000000 |
| 5 | 33200431021112343142 |
| 6 | 405202020350400000 |
| 7 | 20535065425644225 |
| oct | 1775642475420000 |
| 9 | 305554827650600 |
| 10 | 70218771996672 |
| 11 | 20412683213262 |
| 12 | 7a60a50800000 |
| 13 | 30247a9183100 |
| 14 | 134a86cacd94c |
| 15 | 81b840eb814c |
| hex | 3fdd14f62000 |
70218771996672 has 1008 divisors, whose sum is σ = 235163001685248. Its totient is φ = 20905710059520.
The previous prime is 70218771996647. The next prime is 70218771996697. The reversal of 70218771996672 is 27669917781207.
It is an interprime number because it is at equal distance from previous prime (70218771996647) and next prime (70218771996697).
It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a self number, because there is not a number n which added to its sum of digits gives 70218771996672.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10429043418 + ... + 10429050150.
It is an arithmetic number, because the mean of its divisors is an integer number (233296628656).
Almost surely, 270218771996672 is an apocalyptic number.
70218771996672 is a gapful number since it is divisible by the number (72) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70218771996672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117581500842624).
70218771996672 is an abundant number, since it is smaller than the sum of its proper divisors (164944229688576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70218771996672 is an equidigital number, since it uses as much as digits as its factorization.
70218771996672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6831 (or 6782 counting only the distinct ones).
The product of its (nonzero) digits is 224042112, while the sum is 72.
The spelling of 70218771996672 in words is "seventy trillion, two hundred eighteen billion, seven hundred seventy-one million, nine hundred ninety-six thousand, six hundred seventy-two".
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