Search a number
-
+
70111020621200 = 2452131723416712553
BaseRepresentation
bin11111111000011111111100…
…11110101001110110010000
3100012020112210120111200020212
433330033332132221312100
533142144332234334300
6405040320324423252
720524232310241346
oct1774177636516620
9305215716450225
1070111020621200
1120380a0a394029
127a43b9ab47b28
1330175967b0b80
14134556a403996
15818b364e4935
hex3fc3fe7a9d90

70111020621200 has 960 divisors, whose sum is σ = 208389339228672. Its totient is φ = 22395499315200.

The previous prime is 70111020621197. The next prime is 70111020621247. The reversal of 70111020621200 is 212602011107.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5585194124 + ... + 5585206676.

Almost surely, 270111020621200 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 70111020621200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104194669614336).

70111020621200 is an abundant number, since it is smaller than the sum of its proper divisors (138278318607472).

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

70111020621200 is a wasteful number, since it uses less digits than its factorization.

70111020621200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12732 (or 12721 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 70111020621200 its reverse (212602011107), we get a palindrome (70323622632307).

The spelling of 70111020621200 in words is "seventy trillion, one hundred eleven billion, twenty million, six hundred twenty-one thousand, two hundred".