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1030121312 = 25112926481
BaseRepresentation
bin111101011001100…
…110011101100000
32122210100120210012
4331121212131200
54102202340222
6250115024052
734345613063
oct7531463540
92583316705
101030121312
11489527430
12248b9b028
1313555544c
149ab4c8da
15606811e2
hex3d666760

1030121312 has 24 divisors (see below), whose sum is σ = 2212420392. Its totient is φ = 468236800.

The previous prime is 1030121291. The next prime is 1030121357. The reversal of 1030121312 is 2131210301.

It is a super-2 number, since 2×10301213122 = 2122299834873202688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1462889 + ... + 1463592.

It is an arithmetic number, because the mean of its divisors is an integer number (92184183).

Almost surely, 21030121312 is an apocalyptic number.

It is an amenable number.

1030121312 is an abundant number, since it is smaller than the sum of its proper divisors (1182299080).

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

1030121312 is a wasteful number, since it uses less digits than its factorization.

1030121312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926502 (or 2926494 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1030121312 is about 32095.5029871787. The cubic root of 1030121312 is about 1009.9412807741.

Adding to 1030121312 its reverse (2131210301), we get a palindrome (3161331613).

It can be divided in two parts, 10301 and 21312, that added together give a palindrome (31613).

The spelling of 1030121312 in words is "one billion, thirty million, one hundred twenty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 2926481 5852962 11705924 23411848 32191291 46823696 64382582 93647392 128765164 257530328 515060656 1030121312