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479990210112 = 26327137868943
BaseRepresentation
bin1101111110000011010…
…01010101111001000000
31200212221100021001210100
412333001221111321000
530331004443210422
61004300544002400
746451414316450
oct6770151257100
91625840231710
10479990210112
11175620a62166
1279037900400
133635572610a
141933590dd60
15c7440d17ac
hex6fc1a55e40

479990210112 has 168 divisors, whose sum is σ = 1583827704576. Its totient is φ = 136138881024.

The previous prime is 479990210107. The next prime is 479990210137. The reversal of 479990210112 is 211012099974.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (168).

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 23 ways as a sum of consecutive naturals, for example, 117913 + ... + 986855.

Almost surely, 2479990210112 is an apocalyptic number.

479990210112 is a gapful number since it is divisible by the number (42) 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 479990210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (791913852288).

479990210112 is an abundant number, since it is smaller than the sum of its proper divisors (1103837494464).

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

479990210112 is a wasteful number, since it uses less digits than its factorization.

479990210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869105 (or 869092 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The spelling of 479990210112 in words is "four hundred seventy-nine billion, nine hundred ninety million, two hundred ten thousand, one hundred twelve".