Search a number
-
+
2151401453 = 294710191549
BaseRepresentation
bin1000000000111011…
…1100011111101101
312112221020111222022
42000032330133231
513401224321303
6553251555525
7104212416305
oct20016743755
95487214868
102151401453
11a04456833
125005bbba5
13283947116
14165a2a605
15c8d1c438
hex803bc7ed

2151401453 has 16 divisors (see below), whose sum is σ = 2276640000. Its totient is φ = 2029712832.

The previous prime is 2151401449. The next prime is 2151401467. The reversal of 2151401453 is 3541041512.

It is a cyclic number.

It is not a de Polignac number, because 2151401453 - 22 = 2151401449 is a prime.

It is a super-2 number, since 2×21514014532 = 9257056423941022418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151401053) 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 15 ways as a sum of consecutive naturals, for example, 1388123 + ... + 1389671.

It is an arithmetic number, because the mean of its divisors is an integer number (142290000).

Almost surely, 22151401453 is an apocalyptic number.

It is an amenable number.

2151401453 is a deficient number, since it is larger than the sum of its proper divisors (125238547).

2151401453 is a wasteful number, since it uses less digits than its factorization.

2151401453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2151401453 is about 46383.2022719432. The cubic root of 2151401453 is about 1290.9432543938.

Adding to 2151401453 its reverse (3541041512), we get a palindrome (5692442965).

The spelling of 2151401453 in words is "two billion, one hundred fifty-one million, four hundred one thousand, four hundred fifty-three".

Divisors: 1 29 47 1019 1363 1549 29551 44921 47893 72803 1388897 1578431 2111287 45774499 74186257 2151401453