Search a number
-
+
1455679022457 = 311117989373861
BaseRepresentation
bin10101001011101101001…
…110110010010101111001
312011011100202220012100210
4111023231032302111321
5142322212312204312
63032421341221333
7210112040351412
oct25135516622571
95134322805323
101455679022457
11511393949a30
121b6153b61849
13a73680ab4ca
1450653274809
1527ceb387e3c
hex152ed3b2579

1455679022457 has 16 divisors (see below), whose sum is σ = 2117374914240. Its totient is φ = 882219873600.

The previous prime is 1455679022437. The next prime is 1455679022461. The reversal of 1455679022457 is 7542209765541.

It is a happy number.

It is not a de Polignac number, because 1455679022457 - 26 = 1455679022393 is a prime.

It is a super-2 number, since 2×14556790224572 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1455679022397 and 1455679022406.

It is not an unprimeable number, because it can be changed into a prime (1455679022437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3706707 + ... + 4080567.

It is an arithmetic number, because the mean of its divisors is an integer number (132335932140).

Almost surely, 21455679022457 is an apocalyptic number.

It is an amenable number.

1455679022457 is a deficient number, since it is larger than the sum of its proper divisors (661695891783).

1455679022457 is a wasteful number, since it uses less digits than its factorization.

1455679022457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491864.

The product of its (nonzero) digits is 21168000, while the sum is 57.

The spelling of 1455679022457 in words is "one trillion, four hundred fifty-five billion, six hundred seventy-nine million, twenty-two thousand, four hundred fifty-seven".

Divisors: 1 3 11 33 117989 353967 373861 1121583 1297879 3893637 4112471 12337413 44111485529 132334456587 485226340819 1455679022457