Search a number
-
+
85278031010607 = 3139920318806531
BaseRepresentation
bin10011011000111101010110…
…101111101101101100101111
3102011221111111121100212212110
4103120331112233231230233
542134143401414314412
6501212104150335103
723651064051354321
oct2330752657555457
9364844447325773
1085278031010607
1125199234348016
12969355405a493
1338778b7470076
14170b69b891611
159cd425cb3d3c
hex4d8f56bedb2f

85278031010607 has 8 divisors (see below), whose sum is σ = 113785316579200. Its totient is φ = 56811383057880.

The previous prime is 85278031010603. The next prime is 85278031010611. The reversal of 85278031010607 is 70601013087258.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (85278031010603) and next prime (85278031010611).

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

It is not a de Polignac number, because 85278031010607 - 22 = 85278031010603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85278031010603) 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, 10159399069 + ... + 10159407462.

It is an arithmetic number, because the mean of its divisors is an integer number (14223164572400).

Almost surely, 285278031010607 is an apocalyptic number.

85278031010607 is a deficient number, since it is larger than the sum of its proper divisors (28507285568593).

85278031010607 is a wasteful number, since it uses less digits than its factorization.

85278031010607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20318807933.

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 85278031010607 in words is "eighty-five trillion, two hundred seventy-eight billion, thirty-one million, ten thousand, six hundred seven".

Divisors: 1 3 1399 4197 20318806531 60956419593 28426010336869 85278031010607