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1107140291 = 3892846119
BaseRepresentation
bin100000111111101…
…1001111011000011
32212011021112221222
41001333121323003
54231411442131
6301505505255
736302352155
oct10177317303
92764245858
101107140291
11518a51984
1226a94222b
131484b09ca
14a707aad5
15672e687b
hex41fd9ec3

1107140291 has 4 divisors (see below), whose sum is σ = 1109986800. Its totient is φ = 1104293784.

The previous prime is 1107140219. The next prime is 1107140311. The reversal of 1107140291 is 1920417011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1107140291 - 230 = 33398467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1107140291.

It is not an unprimeable number, because it can be changed into a prime (1107140191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1422671 + ... + 1423448.

It is an arithmetic number, because the mean of its divisors is an integer number (277496700).

Almost surely, 21107140291 is an apocalyptic number.

1107140291 is a deficient number, since it is larger than the sum of its proper divisors (2846509).

1107140291 is an equidigital number, since it uses as much as digits as its factorization.

1107140291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846508.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 1107140291 is about 33273.7177213488. The cubic root of 1107140291 is about 1034.5088698032.

The spelling of 1107140291 in words is "one billion, one hundred seven million, one hundred forty thousand, two hundred ninety-one".

Divisors: 1 389 2846119 1107140291