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1982757396620 = 22571113313194801
BaseRepresentation
bin11100110110100101100…
…011001110000010001100
321000112211202211211210002
4130312211203032002030
5224441141343142440
64114511032103432
7263151401536250
oct34664543160214
97015752754702
101982757396620
116a4978950750
12280331534b78
13114c8621b190
146bd7489c260
1536899383115
hex1cda58ce08c

1982757396620 has 192 divisors, whose sum is σ = 5770885865472. Its totient is φ = 552061440000.

The previous prime is 1982757396583. The next prime is 1982757396643. The reversal of 1982757396620 is 266937572891.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 976781 + ... + 2218020.

It is an arithmetic number, because the mean of its divisors is an integer number (30056697216).

Almost surely, 21982757396620 is an apocalyptic number.

1982757396620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1982757396620 is an abundant number, since it is smaller than the sum of its proper divisors (3788128468852).

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

1982757396620 is a wasteful number, since it uses less digits than its factorization.

1982757396620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3194872 (or 3194870 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 65.

The spelling of 1982757396620 in words is "one trillion, nine hundred eighty-two billion, seven hundred fifty-seven million, three hundred ninety-six thousand, six hundred twenty".