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1331020295 = 51124200369
BaseRepresentation
bin100111101010101…
…1100001000000111
310102202112211120222
41033111130020013
510211220122140
6340024214555
744661325433
oct11725341007
93382484528
101331020295
11623365280
1231190a45b
131829a9497
14c8ab79c3
157bcbb5b5
hex4f55c207

1331020295 has 8 divisors (see below), whose sum is σ = 1742426640. Its totient is φ = 968014720.

The previous prime is 1331020291. The next prime is 1331020303. The reversal of 1331020295 is 5920201331.

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

It is not a de Polignac number, because 1331020295 - 22 = 1331020291 is a prime.

1331020295 is a modest number, since divided by 20295 gives 13310 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331020291) 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, 12100130 + ... + 12100239.

It is an arithmetic number, because the mean of its divisors is an integer number (217803330).

Almost surely, 21331020295 is an apocalyptic number.

1331020295 is a deficient number, since it is larger than the sum of its proper divisors (411406345).

1331020295 is a wasteful number, since it uses less digits than its factorization.

1331020295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24200385.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 1331020295 is about 36483.1508370645. The cubic root of 1331020295 is about 1100.0055908807.

The spelling of 1331020295 in words is "one billion, three hundred thirty-one million, twenty thousand, two hundred ninety-five".

Divisors: 1 5 11 55 24200369 121001845 266204059 1331020295