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1111001430 = 2357112231901
BaseRepresentation
bin100001000111000…
…1000100101010110
32212102112201110010
41002032020211112
54233404021210
6302124341050
736350233140
oct10216104526
92772481403
101111001430
11520149900
122700a4786
131492332c6
14a77a3c90
156780a920
hex42388956

1111001430 has 192 divisors, whose sum is σ = 3497001984. Its totient is φ = 220704000.

The previous prime is 1111001429. The next prime is 1111001471. The reversal of 1111001430 is 341001111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 583480 + ... + 585380.

It is an arithmetic number, because the mean of its divisors is an integer number (18213552).

Almost surely, 21111001430 is an apocalyptic number.

1111001430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111001430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1748500992).

1111001430 is an abundant number, since it is smaller than the sum of its proper divisors (2386000554).

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

1111001430 is a wasteful number, since it uses less digits than its factorization.

1111001430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963 (or 1952 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1111001430 is about 33331.6880760636. The cubic root of 1111001430 is about 1035.7100870585.

Adding to 1111001430 its reverse (341001111), we get a palindrome (1452002541).

The spelling of 1111001430 in words is "one billion, one hundred eleven million, one thousand, four hundred thirty".