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1690055000690 = 25724143642867
BaseRepresentation
bin11000100101111111001…
…000001100001001110010
312222120022211122111212012
4120211333020030021302
5210142213040010230
63332222304002522
7233050065323330
oct30457710141162
95876284574765
101690055000690
115a1825a963a1
12233664000442
13c34aa2648b4
145bb28a24b50
152de676c7395
hex1897f20c272

1690055000690 has 16 divisors (see below), whose sum is σ = 3476684572992. Its totient is φ = 579447428784.

The previous prime is 1690055000687. The next prime is 1690055000693. The reversal of 1690055000690 is 960005500961.

It is an interprime number because it is at equal distance from previous prime (1690055000687) and next prime (1690055000693).

It is a super-2 number, since 2×16900550006902 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1690055000693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12071821364 + ... + 12071821503.

It is an arithmetic number, because the mean of its divisors is an integer number (217292785812).

Almost surely, 21690055000690 is an apocalyptic number.

1690055000690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1690055000690 is an abundant number, since it is smaller than the sum of its proper divisors (1786629572302).

1690055000690 is a wasteful number, since it uses less digits than its factorization.

1690055000690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24143642881.

The product of its (nonzero) digits is 72900, while the sum is 41.

The spelling of 1690055000690 in words is "one trillion, six hundred ninety billion, fifty-five million, six hundred ninety", and thus it is an aban number.

Divisors: 1 2 5 7 10 14 35 70 24143642867 48287285734 120718214335 169005500069 241436428670 338011000138 845027500345 1690055000690