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13457155700 = 2252134571557
BaseRepresentation
bin11001000100001101…
…11110011001110100
31021201212000100012002
430202012332121310
5210030012440300
610103201314432
7654323636042
oct144206763164
937655010162
1013457155700
11578623928a
122736935a18
131366005731
1491936b392
1553b6555d5
hex3221be674

13457155700 has 18 divisors (see below), whose sum is σ = 29202028086. Its totient is φ = 5382862240.

The previous prime is 13457155661. The next prime is 13457155709. The reversal of 13457155700 is 755175431.

13457155700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2009011684 + 11448144016 = 44822^2 + 106996^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13457155709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67285679 + ... + 67285878.

Almost surely, 213457155700 is an apocalyptic number.

13457155700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13457155700 is an abundant number, since it is smaller than the sum of its proper divisors (15744872386).

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

13457155700 is a wasteful number, since it uses less digits than its factorization.

13457155700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134571571 (or 134571564 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 38.

The spelling of 13457155700 in words is "thirteen billion, four hundred fifty-seven million, one hundred fifty-five thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 134571557 269143114 538286228 672857785 1345715570 2691431140 3364288925 6728577850 13457155700