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70736790081 = 378729960521
BaseRepresentation
bin100000111100000111…
…1011100001001000001
320202120202202020212010
41001320033130021001
52124332104240311
652255050523133
75052631536456
oct1017017341101
9222522666763
1070736790081
1127aaa08a3a1
12118617364a9
136893c98509
1435d080982d
151c9014dda6
hex10783dc241

70736790081 has 8 divisors (see below), whose sum is σ = 94435565344. Its totient is φ = 47097937440.

The previous prime is 70736790043. The next prime is 70736790119. The reversal of 70736790081 is 18009763707.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70736790043) and next prime (70736790119).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70736790081 - 221 = 70734692929 is a prime.

It is a super-2 number, since 2×707367900812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70736790081.

It is not an unprimeable number, because it can be changed into a prime (70736790181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14977900 + ... + 14982621.

It is an arithmetic number, because the mean of its divisors is an integer number (11804445668).

Almost surely, 270736790081 is an apocalyptic number.

It is an amenable number.

70736790081 is a deficient number, since it is larger than the sum of its proper divisors (23698775263).

70736790081 is a wasteful number, since it uses less digits than its factorization.

70736790081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29961311.

The product of its (nonzero) digits is 444528, while the sum is 48.

The spelling of 70736790081 in words is "seventy billion, seven hundred thirty-six million, seven hundred ninety thousand, eighty-one".

Divisors: 1 3 787 2361 29960521 89881563 23578930027 70736790081