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1010251242 = 23271113219227
BaseRepresentation
bin111100001101110…
…011010111101010
32121101222002011200
4330031303113222
54032111014432
6244125105030
734014664620
oct7415632752
92541862150
101010251242
11479295790
122423b8176
131313b9200
1498259510
155da58a7c
hex3c3735ea

1010251242 has 288 divisors, whose sum is σ = 3124293120. Its totient is φ = 228458880.

The previous prime is 1010251211. The next prime is 1010251243. The reversal of 1010251242 is 2421520101.

1010251242 is a `hidden beast` number, since 10 + 102 + 512 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1010251243) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4450333 + ... + 4450559.

It is an arithmetic number, because the mean of its divisors is an integer number (10848240).

Almost surely, 21010251242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1010251242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1562146560).

1010251242 is an abundant number, since it is smaller than the sum of its proper divisors (2114041878).

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

1010251242 is a wasteful number, since it uses less digits than its factorization.

1010251242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1010251242 is about 31784.4496884876. The cubic root of 1010251242 is about 1003.4054702742.

Adding to 1010251242 its reverse (2421520101), we get a palindrome (3431771343).

It can be divided in two parts, 1010 and 251242, that added together give a palindrome (252252).

The spelling of 1010251242 in words is "one billion, ten million, two hundred fifty-one thousand, two hundred forty-two".