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690083750069 = 798583392867
BaseRepresentation
bin10100000101011000011…
…00100110000010110101
32102222020010022201002222
422002230030212002311
542301242420000234
61245004201412125
7100566630043610
oct12025414460265
92388203281088
10690083750069
1124673231731a
12b18ab79a045
13500c7c23a2c
1425586343177
1512e3d73e42e
hexa0ac3260b5

690083750069 has 4 divisors (see below), whose sum is σ = 788667142944. Its totient is φ = 591500357196.

The previous prime is 690083750023. The next prime is 690083750093. The reversal of 690083750069 is 960057380096.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 690083750069 - 212 = 690083745973 is a prime.

It is a super-2 number, since 2×6900837500692 (a number of 24 digits) contains 22 as substring.

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 690083750069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690083750969) 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, 49291696427 + ... + 49291696440.

It is an arithmetic number, because the mean of its divisors is an integer number (197166785736).

Almost surely, 2690083750069 is an apocalyptic number.

It is an amenable number.

690083750069 is a deficient number, since it is larger than the sum of its proper divisors (98583392875).

690083750069 is an equidigital number, since it uses as much as digits as its factorization.

690083750069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98583392874.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 690083750069 in words is "six hundred ninety billion, eighty-three million, seven hundred fifty thousand, sixty-nine".

Divisors: 1 7 98583392867 690083750069