Search a number
-
+
70067471012 = 227211224314489
BaseRepresentation
bin100000101000001011…
…0001100001010100100
320200212010022022200222
41001100112030022210
52121444233033022
652104421023512
75030223451100
oct1012026141244
9220763268628
1070067471012
1127796296040
12116b5554b98
1367b840c026
14356997a900
151c514dc242
hex105058c2a4

70067471012 has 72 divisors (see below), whose sum is σ = 155684501280. Its totient is φ = 27284960640.

The previous prime is 70067471011. The next prime is 70067471029. The reversal of 70067471012 is 21017476007.

It is not an unprimeable number, because it can be changed into a prime (70067471011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4828664 + ... + 4843152.

It is an arithmetic number, because the mean of its divisors is an integer number (2162284740).

Almost surely, 270067471012 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 70067471012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77842250640).

70067471012 is an abundant number, since it is smaller than the sum of its proper divisors (85617030268).

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

70067471012 is a wasteful number, since it uses less digits than its factorization.

70067471012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16761 (or 16752 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 35.

The spelling of 70067471012 in words is "seventy billion, sixty-seven million, four hundred seventy-one thousand, twelve".

Divisors: 1 2 4 7 11 14 22 28 44 49 77 98 154 196 308 539 1078 2156 2243 4486 8972 14489 15701 24673 28978 31402 49346 57956 62804 98692 101423 109907 159379 172711 202846 219814 318758 345422 405692 439628 637516 690844 709961 1115653 1208977 1419922 2231306 2417954 2839844 4462612 4835908 7809571 15619142 31238284 32498827 64997654 129995308 227491789 357487097 454983578 714974194 909967156 1429948388 1592442523 2502409679 3184885046 5004819358 6369770092 10009638716 17516867753 35033735506 70067471012