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1691483625470 = 251300571300571
BaseRepresentation
bin11000100111010100010…
…001111101011111111110
312222201000101212011122002
4120213110101331133332
5210203124302003340
63333020140222302
7233130353406212
oct30472421753776
95881011764562
101691483625470
115a2399456331
122339a253a992
13c36772263c2
145bc22668942
152deecd23715
hex189d447d7fe

1691483625470 has 16 divisors (see below), whose sum is σ = 3044696277168. Its totient is φ = 676587727680.

The previous prime is 1691483625467. The next prime is 1691483625479. The reversal of 1691483625470 is 745263841961.

It is a happy number.

It is a super-2 number, since 2×16914836254702 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1691483625479) 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, 650285 + ... + 1950855.

It is an arithmetic number, because the mean of its divisors is an integer number (190293517323).

It is a 1-persistent number, because it is pandigital, but 2⋅1691483625470 = 3382967250940 is not.

Almost surely, 21691483625470 is an apocalyptic number.

1691483625470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a pronic number, being equal to 1300570×1300571.

1691483625470 is a deficient number, since it is larger than the sum of its proper divisors (1353212651698).

1691483625470 is a wasteful number, since it uses less digits than its factorization.

1691483625470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430635.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 1691483625470 in words is "one trillion, six hundred ninety-one billion, four hundred eighty-three million, six hundred twenty-five thousand, four hundred seventy".

Divisors: 1 2 5 10 130057 260114 650285 1300570 1300571 2601142 6502855 13005710 169148362547 338296725094 845741812735 1691483625470