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387342444500 = 22531170425899
BaseRepresentation
bin1011010001011110110…
…10001010011111010100
31101000210120010221001222
411220233122022133110
522321234131211000
6453535340505512
736661464311564
oct5505732123724
91330716127058
10387342444500
1113a2a8791630
12630a024b298
132a6ac1a882b
1414a670d8da4
15a12058ba85
hex5a2f68a7d4

387342444500 has 48 divisors (see below), whose sum is σ = 922860993600. Its totient is φ = 140851796000.

The previous prime is 387342444499. The next prime is 387342444521. The reversal of 387342444500 is 5444243783.

It is a super-2 number, since 2×3873424445002 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35207450 + ... + 35218449.

It is an arithmetic number, because the mean of its divisors is an integer number (19226270700).

Almost surely, 2387342444500 is an apocalyptic number.

It is an amenable number.

387342444500 is an abundant number, since it is smaller than the sum of its proper divisors (535518549100).

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

387342444500 is a wasteful number, since it uses less digits than its factorization.

387342444500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70425929 (or 70425917 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 44.

The spelling of 387342444500 in words is "three hundred eighty-seven billion, three hundred forty-two million, four hundred forty-four thousand, five hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 125 220 250 275 500 550 1100 1375 2750 5500 70425899 140851798 281703596 352129495 704258990 774684889 1408517980 1549369778 1760647475 3098739556 3521294950 3873424445 7042589900 7746848890 8803237375 15493697780 17606474750 19367122225 35212949500 38734244450 77468488900 96835611125 193671222250 387342444500