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1012310400 = 27352105449
BaseRepresentation
bin111100010101101…
…010000110000000
32121112211200210210
4330111222012000
54033122413100
6244241154120
734041332163
oct7425520600
92545750723
101012310400
1147a471872
1224302b940
1313195a54a
1498633ada
155dd13c50
hex3c56a180

1012310400 has 96 divisors (see below), whose sum is σ = 3334329000. Its totient is φ = 269946880.

The previous prime is 1012310389. The next prime is 1012310401. The reversal of 1012310400 is 40132101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012310401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43125 + ... + 62324.

Almost surely, 21012310400 is an apocalyptic number.

1012310400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012310400 is an abundant number, since it is smaller than the sum of its proper divisors (2322018600).

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

1012310400 is a wasteful number, since it uses less digits than its factorization.

1012310400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105476 (or 105459 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1012310400 is about 31816.8257373359. The cubic root of 1012310400 is about 1004.0867424513.

Adding to 1012310400 its reverse (40132101), we get a palindrome (1052442501).

The spelling of 1012310400 in words is "one billion, twelve million, three hundred ten thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 128 150 160 192 200 240 300 320 384 400 480 600 640 800 960 1200 1600 1920 2400 3200 4800 9600 105449 210898 316347 421796 527245 632694 843592 1054490 1265388 1581735 1687184 2108980 2530776 2636225 3163470 3374368 4217960 5061552 5272450 6326940 6748736 7908675 8435920 10123104 10544900 12653880 13497472 15817350 16871840 20246208 21089800 25307760 31634700 33743680 40492416 42179600 50615520 63269400 67487360 84359200 101231040 126538800 168718400 202462080 253077600 337436800 506155200 1012310400