Search a number
-
+
1252304245401 = 31148778799013
BaseRepresentation
bin10010001110010011001…
…001100101001010011001
311102201102020101002001120
4102032103021211022121
5131004204341323101
62355144534035453
7156322160311266
oct22162311451231
94381366332046
101252304245401
1144311010a890
121828561a8b89
1391126858041
144487ccb026d
15228969deb36
hex12393265299

1252304245401 has 32 divisors (see below), whose sum is σ = 1827611501568. Its totient is φ = 756443759040.

The previous prime is 1252304245399. The next prime is 1252304245427. The reversal of 1252304245401 is 1045424032521.

It is not a de Polignac number, because 1252304245401 - 21 = 1252304245399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1252304245471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12598371 + ... + 12697383.

It is an arithmetic number, because the mean of its divisors is an integer number (57112859424).

Almost surely, 21252304245401 is an apocalyptic number.

1252304245401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1252304245401 is a deficient number, since it is larger than the sum of its proper divisors (575307256167).

1252304245401 is a wasteful number, since it uses less digits than its factorization.

1252304245401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100301.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 1252304245401 its reverse (1045424032521), we get a palindrome (2297728277922).

The spelling of 1252304245401 in words is "one trillion, two hundred fifty-two billion, three hundred four million, two hundred forty-five thousand, four hundred one".

Divisors: 1 3 11 33 487 787 1461 2361 5357 8657 16071 25971 99013 297039 383269 1089143 1149807 3267429 4215959 12647877 48219331 77923231 144657993 233769693 530412641 857155541 1591237923 2571466623 37948613497 113845840491 417434748467 1252304245401