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381245785355000 = 235476249157071
BaseRepresentation
bin101011010101111011011001…
…1100110111011001011111000
31211222212202000021201202001102
41112223312303212323023320
5344432312332022330000
63430501521304310532
7143206045652451446
oct12653666346731370
91758782007652042
10381245785355000
1110052747a859615
1236913ba2172448
1313496428388b67
146a205745b9b96
152e121278043d5
hex15abdb39bb2f8

381245785355000 has 40 divisors (see below), whose sum is σ = 893258875098480. Its totient is φ = 152498314140000.

The previous prime is 381245785354957. The next prime is 381245785355027. The reversal of 381245785355000 is 553587542183.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 38124573536 + ... + 38124583535.

It is an arithmetic number, because the mean of its divisors is an integer number (22331471877462).

Almost surely, 2381245785355000 is an apocalyptic number.

It is an amenable number.

381245785355000 is an abundant number, since it is smaller than the sum of its proper divisors (512013089743480).

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

381245785355000 is an equidigital number, since it uses as much as digits as its factorization.

381245785355000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76249157097 (or 76249157078 counting only the distinct ones).

The product of its (nonzero) digits is 20160000, while the sum is 56.

The spelling of 381245785355000 in words is "three hundred eighty-one trillion, two hundred forty-five billion, seven hundred eighty-five million, three hundred fifty-five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 625 1000 1250 2500 5000 76249157071 152498314142 304996628284 381245785355 609993256568 762491570710 1524983141420 1906228926775 3049966282840 3812457853550 7624915707100 9531144633875 15249831414200 19062289267750 38124578535500 47655723169375 76249157071000 95311446338750 190622892677500 381245785355000