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12959064016900 = 22523599872
BaseRepresentation
bin1011110010010100010001…
…1010000100100000000100
31200212212121110020010100021
42330211010122010200010
53144310130342020100
643321151204224524
72505155454444031
oct274450432044004
950785543203307
1012959064016900
1141469a9882801
12155367839b144
1373005aa21101
1432b317412388
15177165916a1a
hexbc944684804

12959064016900 has 27 divisors (see below), whose sum is σ = 28121247034069. Its totient is φ = 5183611207280.

The previous prime is 12959064016889. The next prime is 12959064016903. The reversal of 12959064016900 is 961046095921.

It is a happy number.

The square root of 12959064016900 is 3599870.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4665263046084 + 8293800970816 = 2159922^2 + 2879896^2 .

It is a super-2 number, since 2×129590640169002 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12959064016903) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 35818707 + ... + 36178693.

Almost surely, 212959064016900 is an apocalyptic number.

12959064016900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12959064016900 is the 3599870-th square number.

It is an amenable number.

12959064016900 is an abundant number, since it is smaller than the sum of its proper divisors (15162183017169).

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

12959064016900 is an frugal number, since it uses more digits than its factorization.

12959064016900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719988 (or 359994 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 52.

The spelling of 12959064016900 in words is "twelve trillion, nine hundred fifty-nine billion, sixty-four million, sixteen thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 359987 719974 1439948 1799935 3599870 7199740 8999675 17999350 35998700 129590640169 259181280338 518362560676 647953200845 1295906401690 2591812803380 3239766004225 6479532008450 12959064016900