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190129301500 = 2253380258603
BaseRepresentation
bin1011000100010010010…
…1101110011111111100
3200011202102211020200111
42301010211232133330
511103341100122000
6223202202435404
716510403253235
oct2610445563774
9604672736614
10190129301500
11736a7041336
1230a21b02b64
1314c10364588
1492b91ba08c
154e2bb07cba
hex2c4496e7fc

190129301500 has 24 divisors (see below), whose sum is σ = 415242395568. Its totient is φ = 76051720400.

The previous prime is 190129301491. The next prime is 190129301513. The reversal of 190129301500 is 5103921091.

It is a happy number.

It is a super-3 number, since 3×1901293015003 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190128802 + ... + 190129801.

It is an arithmetic number, because the mean of its divisors is an integer number (17301766482).

Almost surely, 2190129301500 is an apocalyptic number.

190129301500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190129301500 is an abundant number, since it is smaller than the sum of its proper divisors (225113094068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190129301500 is a wasteful number, since it uses less digits than its factorization.

190129301500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380258622 (or 380258610 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 31.

The spelling of 190129301500 in words is "one hundred ninety billion, one hundred twenty-nine million, three hundred one thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 380258603 760517206 1521034412 1901293015 3802586030 7605172060 9506465075 19012930150 38025860300 47532325375 95064650750 190129301500