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1980498082950 = 233521467035617
BaseRepresentation
bin11100110100011110111…
…000100111110010000110
321000100000022112211002000
4130310132320213302012
5224422030002123300
64113454523130130
7263041405642032
oct34643670476206
97010008484060
101980498082950
116a3a19599972
1227ba00973946
131149b612009a
146bbdc7c11c2
15367b5d4bc00
hex1cd1ee27c86

1980498082950 has 48 divisors (see below), whose sum is σ = 5457372498960. Its totient is φ = 528132821760.

The previous prime is 1980498082943. The next prime is 1980498082951. The reversal of 1980498082950 is 592808940891.

1980498082950 is a `hidden beast` number, since 1 + 98 + 0 + 498 + 0 + 8 + 2 + 9 + 50 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980498082951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 733516459 + ... + 733519158.

It is an arithmetic number, because the mean of its divisors is an integer number (113695260395).

Almost surely, 21980498082950 is an apocalyptic number.

1980498082950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1980498082950 is an abundant number, since it is smaller than the sum of its proper divisors (3476874416010).

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

1980498082950 is a wasteful number, since it uses less digits than its factorization.

1980498082950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467035638 (or 1467035627 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 63.

The spelling of 1980498082950 in words is "one trillion, nine hundred eighty billion, four hundred ninety-eight million, eighty-two thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 90 135 150 225 270 450 675 1350 1467035617 2934071234 4401106851 7335178085 8802213702 13203320553 14670356170 22005534255 26406641106 36675890425 39609961659 44011068510 66016602765 73351780850 79219923318 110027671275 132033205530 198049808295 220055342550 330083013825 396099616590 660166027650 990249041475 1980498082950