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1426135557 = 371139715551
BaseRepresentation
bin101010100000001…
…0001101000000101
310200101112012012110
41111000101220011
510410042314212
6353303011233
750224644420
oct12500215005
93611465173
101426135557
1167201a830
12339739b19
131995cc7c2
14d75969b7
1585308a3c
hex55011a05

1426135557 has 32 divisors (see below), whose sum is σ = 2376843264. Its totient is φ = 738936000.

The previous prime is 1426135553. The next prime is 1426135577. The reversal of 1426135557 is 7555316241.

It is not a de Polignac number, because 1426135557 - 22 = 1426135553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426135553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83932 + ... + 99482.

It is an arithmetic number, because the mean of its divisors is an integer number (74276352).

Almost surely, 21426135557 is an apocalyptic number.

It is an amenable number.

1426135557 is a deficient number, since it is larger than the sum of its proper divisors (950707707).

1426135557 is a wasteful number, since it uses less digits than its factorization.

1426135557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15969.

The product of its digits is 126000, while the sum is 39.

The square root of 1426135557 is about 37764.2100010049. The cubic root of 1426135557 is about 1125.6073907250.

The spelling of 1426135557 in words is "one billion, four hundred twenty-six million, one hundred thirty-five thousand, five hundred fifty-seven".

Divisors: 1 3 7 11 21 33 77 231 397 1191 2779 4367 8337 13101 15551 30569 46653 91707 108857 171061 326571 513183 1197427 3592281 6173747 18521241 43216229 67911217 129648687 203733651 475378519 1426135557