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1030121330 = 25743342233
BaseRepresentation
bin111101011001100…
…110011101110010
32122210100120210212
4331121212131302
54102202340310
6250115024122
734345613120
oct7531463562
92583316725
101030121330
11489527447
12248b9b042
13135555464
149ab4c910
1560681205
hex3d666772

1030121330 has 32 divisors (see below), whose sum is σ = 2168394624. Its totient is φ = 344969856.

The previous prime is 1030121291. The next prime is 1030121357. The reversal of 1030121330 is 331210301.

It is a super-2 number, since 2×10301213302 = 2122299909041937800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168107 + ... + 174126.

It is an arithmetic number, because the mean of its divisors is an integer number (67762332).

Almost surely, 21030121330 is an apocalyptic number.

1030121330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1030121330 is an abundant number, since it is smaller than the sum of its proper divisors (1138273294).

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

1030121330 is a wasteful number, since it uses less digits than its factorization.

1030121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342290.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1030121330 is about 32095.5032675919. The cubic root of 1030121330 is about 1009.9412866565.

Adding to 1030121330 its reverse (331210301), we get a palindrome (1361331631).

The spelling of 1030121330 in words is "one billion, thirty million, one hundred twenty-one thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 43 70 86 215 301 430 602 1505 3010 342233 684466 1711165 2395631 3422330 4791262 11978155 14716019 23956310 29432038 73580095 103012133 147160190 206024266 515060665 1030121330