Search a number
-
+
10103345454 = 236127604769
BaseRepresentation
bin10010110100011010…
…01101000100101110
3222002010020010102210
421122031031010232
5131142424023304
64350313431250
7505241006436
oct113215150456
928063203383
1010103345454
114315090a84
121b5b70b526
13c50232927
146bbb852c6
153e1ec3c89
hex25a34d12e

10103345454 has 16 divisors (see below), whose sum is σ = 20537948880. Its totient is φ = 3312572160.

The previous prime is 10103345411. The next prime is 10103345477. The reversal of 10103345454 is 45454330101.

It is a super-3 number, since 3×101033454543 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13802019 + ... + 13802750.

It is an arithmetic number, because the mean of its divisors is an integer number (1283621805).

Almost surely, 210103345454 is an apocalyptic number.

10103345454 is an abundant number, since it is smaller than the sum of its proper divisors (10434603426).

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

10103345454 is a wasteful number, since it uses less digits than its factorization.

10103345454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27604835.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 10103345454 its reverse (45454330101), we get a palindrome (55557675555).

The spelling of 10103345454 in words is "ten billion, one hundred three million, three hundred forty-five thousand, four hundred fifty-four".

Divisors: 1 2 3 6 61 122 183 366 27604769 55209538 82814307 165628614 1683890909 3367781818 5051672727 10103345454