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1995214071000 = 233536471027931
BaseRepresentation
bin11101000010001100000…
…001101010010011011000
321001201222220021110121110
4131002030001222103120
5230142144300233000
64124331053540320
7264102156531213
oct35021401522330
97051886243543
101995214071000
116aa190367567
122828291a46a0
131161bcb78617
146c7d6dd477a
1536d77c5e850
hex1d08c06a4d8

1995214071000 has 128 divisors (see below), whose sum is σ = 6234695400960. Its totient is φ = 531234224000.

The previous prime is 1995214070963. The next prime is 1995214071017. The reversal of 1995214071000 is 1704125991.

It is a self number, because there is not a number n which added to its sum of digits gives 1995214071000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1427035 + ... + 2454965.

It is an arithmetic number, because the mean of its divisors is an integer number (48708557820).

Almost surely, 21995214071000 is an apocalyptic number.

1995214071000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1995214071000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3117347700480).

1995214071000 is an abundant number, since it is smaller than the sum of its proper divisors (4239481329960).

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

1995214071000 is a wasteful number, since it uses less digits than its factorization.

1995214071000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028602 (or 1028588 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 39.

Adding to 1995214071000 its reverse (1704125991), we get a palindrome (1996918196991).

The spelling of 1995214071000 in words is "one trillion, nine hundred ninety-five billion, two hundred fourteen million, seventy-one thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 500 600 647 750 1000 1294 1500 1941 2588 3000 3235 3882 5176 6470 7764 9705 12940 15528 16175 19410 25880 32350 38820 48525 64700 77640 80875 97050 129400 161750 194100 242625 323500 388200 485250 647000 970500 1027931 1941000 2055862 3083793 4111724 5139655 6167586 8223448 10279310 12335172 15418965 20558620 24670344 25698275 30837930 41117240 51396550 61675860 77094825 102793100 123351720 128491375 154189650 205586200 256982750 308379300 385474125 513965500 616758600 665071357 770948250 1027931000 1330142714 1541896500 1995214071 2660285428 3083793000 3325356785 3990428142 5320570856 6650713570 7980856284 9976070355 13301427140 15961712568 16626783925 19952140710 26602854280 33253567850 39904281420 49880351775 66507135700 79808562840 83133919625 99760703550 133014271400 166267839250 199521407100 249401758875 332535678500 399042814200 498803517750 665071357000 997607035500 1995214071000