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70813851442580 = 22519535918124031
BaseRepresentation
bin10000000110011110100010…
…011101011101110110010100
3100021201201221001200200220002
4100012132202131131312110
533240203231432130310
6410335233444230432
720626063152532421
oct2006364235356624
9307651831620802
1070813851442580
1120621a93031724
127b3824769b418
133068943579b3c
14136b5a1672d48
1582c06dd73da5
hex4067a275dd94

70813851442580 has 24 divisors (see below), whose sum is σ = 148709857443840. Its totient is φ = 28325394021920.

The previous prime is 70813851442561. The next prime is 70813851442583. The reversal of 70813851442580 is 8524415831807.

It is a happy number.

It is a super-2 number, since 2×708138514425802 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70813851442583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5154836 + ... + 12969195.

It is an arithmetic number, because the mean of its divisors is an integer number (6196244060160).

Almost surely, 270813851442580 is an apocalyptic number.

It is an amenable number.

70813851442580 is an abundant number, since it is smaller than the sum of its proper divisors (77896006001260).

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

70813851442580 is a wasteful number, since it uses less digits than its factorization.

70813851442580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18319399 (or 18319397 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 56.

The spelling of 70813851442580 in words is "seventy trillion, eight hundred thirteen billion, eight hundred fifty-one million, four hundred forty-two thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 195359 390718 781436 976795 1953590 3907180 18124031 36248062 72496124 90620155 181240310 362480620 3540692572129 7081385144258 14162770288516 17703462860645 35406925721290 70813851442580