Search a number
-
+
70597806971 = 4197136113043
BaseRepresentation
bin100000110111111110…
…1010000101101111011
320202020002020011212112
41001233331100231323
52124041014310341
652233204002535
75046323313056
oct1015775205573
9222202204775
1070597806971
1127a3869231a
121182309044b
136871255ca3
1435ba18ba9d
151c82d48aeb
hex106ff50b7b

70597806971 has 16 divisors (see below), whose sum is σ = 73124559648. Its totient is φ = 68110540800.

The previous prime is 70597806947. The next prime is 70597806989. The reversal of 70597806971 is 17960879507.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70597806971 is a prime.

It is a super-2 number, since 2×705978069712 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70597806971.

It is not an unprimeable number, because it can be changed into a prime (70597806901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5406176 + ... + 5419218.

It is an arithmetic number, because the mean of its divisors is an integer number (4570284978).

Almost surely, 270597806971 is an apocalyptic number.

70597806971 is a deficient number, since it is larger than the sum of its proper divisors (2526752677).

70597806971 is a wasteful number, since it uses less digits than its factorization.

70597806971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14542.

The product of its (nonzero) digits is 6667920, while the sum is 59.

The spelling of 70597806971 in words is "seventy billion, five hundred ninety-seven million, eight hundred six thousand, nine hundred seventy-one".

Divisors: 1 41 97 1361 3977 13043 55801 132017 534763 1265171 5412697 17751523 51872011 727812443 1721897731 70597806971