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4242719988 = 223213217219127
BaseRepresentation
bin1111110011100010…
…1100010011110100
3101221200102111200100
43330320230103310
532142114014423
61541000114100
7210065345013
oct37470542364
911850374610
104242719988
1118879a5361
129a4a65930
13527cb5600
142c3696a7a
1519c71c343
hexfce2c4f4

4242719988 has 324 divisors, whose sum is σ = 13087925760. Its totient is φ = 1154829312.

The previous prime is 4242719977. The next prime is 4242720049. The reversal of 4242719988 is 8899172424.

4242719988 is a `hidden beast` number, since 424 + 27 + 199 + 8 + 8 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

Its product of digits (2322432) is a multiple of the sum of its prime factors (216).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 33407181 + ... + 33407307.

Almost surely, 24242719988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4242719988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6543962880).

4242719988 is an abundant number, since it is smaller than the sum of its proper divisors (8845205772).

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

4242719988 is a wasteful number, since it uses less digits than its factorization.

4242719988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 181 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 4242719988 is about 65136.1649776835. The cubic root of 4242719988 is about 1618.8804931141.

The spelling of 4242719988 in words is "four billion, two hundred forty-two million, seven hundred nineteen thousand, nine hundred eighty-eight".