Search a number
BaseRepresentation
bin11111110111000010111001…
…01100011111100110011111
3100012001202211211222112011000
433323201130230133212133
533140340023243344444
6405001335111401343
720520513264356016
oct1773413454374637
9305052754875130
1070061061699999
11203618029290a7
127a36377983253
1330129643c4a36
141342d8b327a7d
158176b0566469
hex3fb85cb1f99f

70061061699999 has 16 divisors (see below), whose sum is σ = 103796211791200. Its totient is φ = 46706453627328.

The previous prime is 70061061699991. The next prime is 70061061700031. The reversal of 70061061699999 is 99999616016007.

It is not a de Polignac number, because 70061061699999 - 23 = 70061061699991 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 (70061061699991) 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, 24182614 + ... + 26924355.

It is an arithmetic number, because the mean of its divisors is an integer number (6487263236950).

Almost surely, 270061061699999 is an apocalyptic number.

70061061699999 is a deficient number, since it is larger than the sum of its proper divisors (33735150091201).

70061061699999 is a wasteful number, since it uses less digits than its factorization.

70061061699999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51157751 (or 51157745 counting only the distinct ones).

The product of its (nonzero) digits is 89282088, while the sum is 72.

The spelling of 70061061699999 in words is "seventy trillion, sixty-one billion, sixty-one million, six hundred ninety-nine thousand, nine hundred ninety-nine".