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1426117091 = 71031977971
BaseRepresentation
bin101010100000000…
…1101000111100011
310200101111020212112
41111000031013203
510410041221331
6353302345535
750224536530
oct12500150743
93611436775
101426117091
11672007973
1233972b2ab
131995c4289
14d758dd87
158530332b
hex5500d1e3

1426117091 has 8 divisors (see below), whose sum is σ = 1645672704. Its totient is φ = 1210517640.

The previous prime is 1426117073. The next prime is 1426117103. The reversal of 1426117091 is 1907116241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1426117091 is a prime.

It is a super-3 number, since 3×14261170913 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426117031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988265 + ... + 989706.

It is an arithmetic number, because the mean of its divisors is an integer number (205709088).

Almost surely, 21426117091 is an apocalyptic number.

1426117091 is a deficient number, since it is larger than the sum of its proper divisors (219555613).

1426117091 is a wasteful number, since it uses less digits than its factorization.

1426117091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978081.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 1426117091 is about 37763.9655094642. The cubic root of 1426117091 is about 1125.6025324782.

The spelling of 1426117091 in words is "one billion, four hundred twenty-six million, one hundred seventeen thousand, ninety-one".

Divisors: 1 7 103 721 1977971 13845797 203731013 1426117091