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69438293001 = 32711876111437
BaseRepresentation
bin100000010101011011…
…0000100010000001001
320122020021101202201200
41000222312010100021
52114202200334001
651522143334413
75005513515630
oct1005266042011
9218207352650
1069438293001
11274a3119310
121155a8b1409
136717c6864c
14350a19a517
151c16159086
hex102ad84409

69438293001 has 48 divisors (see below), whose sum is σ = 125074255488. Its totient is φ = 36064569600.

The previous prime is 69438292967. The next prime is 69438293009. The reversal of 69438293001 is 10039283496.

It is a happy number.

It is not a de Polignac number, because 69438293001 - 213 = 69438284809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69438293009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6065655 + ... + 6077091.

It is an arithmetic number, because the mean of its divisors is an integer number (2605713656).

Almost surely, 269438293001 is an apocalyptic number.

It is an amenable number.

69438293001 is a deficient number, since it is larger than the sum of its proper divisors (55635962487).

69438293001 is a wasteful number, since it uses less digits than its factorization.

69438293001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20222 (or 20219 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 69438293001 in words is "sixty-nine billion, four hundred thirty-eight million, two hundred ninety-three thousand, one".

Divisors: 1 3 7 9 11 21 33 63 77 99 231 693 8761 11437 26283 34311 61327 78849 80059 96371 102933 125807 183981 240177 289113 377421 551943 674597 720531 867339 880649 1132263 2023791 2641947 6071373 7925841 100199557 300598671 701396899 901796013 1102195127 2104190697 3306585381 6312572091 7715365889 9919756143 23146097667 69438293001