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1121015454 = 231314371993
BaseRepresentation
bin100001011010001…
…0101011010011110
32220010101111002220
41002310111122132
54243434443304
6303123130210
736531321426
oct10264253236
92803344086
101121015454
11525869559
12273513966
1314b32b370
14a8c4d486
1568637ad9
hex42d1569e

1121015454 has 16 divisors (see below), whose sum is σ = 2414494992. Its totient is φ = 344927808.

The previous prime is 1121015453. The next prime is 1121015473. The reversal of 1121015454 is 4545101211.

It is a super-2 number, since 2×11210154542 = 2513351296213652232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121015453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7185919 + ... + 7186074.

It is an arithmetic number, because the mean of its divisors is an integer number (150905937).

Almost surely, 21121015454 is an apocalyptic number.

1121015454 is an abundant number, since it is smaller than the sum of its proper divisors (1293479538).

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

1121015454 is a wasteful number, since it uses less digits than its factorization.

1121015454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14372011.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 1121015454 is about 33481.5688700515. The cubic root of 1121015454 is about 1038.8125790719.

Adding to 1121015454 its reverse (4545101211), we get a palindrome (5666116665).

The spelling of 1121015454 in words is "one billion, one hundred twenty-one million, fifteen thousand, four hundred fifty-four".

Divisors: 1 2 3 6 13 26 39 78 14371993 28743986 43115979 86231958 186835909 373671818 560507727 1121015454