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2130310400 = 28521917519
BaseRepresentation
bin111111011111001…
…1111010100000000
312111110112222111012
41332332133110000
513330324413100
6551215540052
7103535224331
oct17676372400
95443488435
102130310400
119a3560809
124b552a628
1327c4711ca
14162cda288
15c7053135
hex7ef9f500

2130310400 has 108 divisors (see below), whose sum is σ = 5550686400. Its totient is φ = 807229440.

The previous prime is 2130310367. The next prime is 2130310433. The reversal of 2130310400 is 40130312.

It is an interprime number because it is at equal distance from previous prime (2130310367) and next prime (2130310433).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112841 + ... + 130359.

Almost surely, 22130310400 is an apocalyptic number.

2130310400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2130310400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2775343200).

2130310400 is an abundant number, since it is smaller than the sum of its proper divisors (3420376000).

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

2130310400 is a wasteful number, since it uses less digits than its factorization.

2130310400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17564 (or 17545 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2130310400 is about 46155.2857211392. The cubic root of 2130310400 is about 1286.7108482894.

Adding to 2130310400 its reverse (40130312), we get a palindrome (2170440712).

The spelling of 2130310400 in words is "two billion, one hundred thirty million, three hundred ten thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 19 20 25 32 38 40 50 64 76 80 95 100 128 152 160 190 200 256 304 320 380 400 475 608 640 760 800 950 1216 1280 1520 1600 1900 2432 3040 3200 3800 4864 6080 6400 7600 12160 15200 17519 24320 30400 35038 60800 70076 87595 121600 140152 175190 280304 332861 350380 437975 560608 665722 700760 875950 1121216 1331444 1401520 1664305 1751900 2242432 2662888 2803040 3328610 3503800 4484864 5325776 5606080 6657220 7007600 8321525 10651552 11212160 13314440 14015200 16643050 21303104 22424320 26628880 28030400 33286100 42606208 53257760 56060800 66572200 85212416 106515520 112121600 133144400 213031040 266288800 426062080 532577600 1065155200 2130310400