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1388363130 = 2325711200341
BaseRepresentation
bin101001011000000…
…1011110101111010
310120202110011011200
41102300023311322
510320410110010
6345433235030
746255614630
oct12260136572
93522404150
101388363130
11652770850
12328b62a76
13191835b5b
14d2563350
1581d46cc0
hex52c0bd7a

1388363130 has 96 divisors (see below), whose sum is σ = 4500482688. Its totient is φ = 288489600.

The previous prime is 1388363107. The next prime is 1388363131. The reversal of 1388363130 is 313638831.

1388363130 is a `hidden beast` number, since 13 + 8 + 8 + 3 + 631 + 3 + 0 = 666.

1388363130 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1388363131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93241 + ... + 107100.

It is an arithmetic number, because the mean of its divisors is an integer number (46880028).

Almost surely, 21388363130 is an apocalyptic number.

1388363130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1388363130 is an abundant number, since it is smaller than the sum of its proper divisors (3112119558).

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

1388363130 is a wasteful number, since it uses less digits than its factorization.

1388363130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200372 (or 200369 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1388363130 is about 37260.7451616309. The cubic root of 1388363130 is about 1115.5807815725.

The spelling of 1388363130 in words is "one billion, three hundred eighty-eight million, three hundred sixty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 11 14 15 18 21 22 30 33 35 42 45 55 63 66 70 77 90 99 105 110 126 154 165 198 210 231 315 330 385 462 495 630 693 770 990 1155 1386 2310 3465 6930 200341 400682 601023 1001705 1202046 1402387 1803069 2003410 2203751 2804774 3005115 3606138 4207161 4407502 6010230 6611253 7011935 8414322 9015345 11018755 12621483 13222506 14023870 15426257 18030690 19833759 21035805 22037510 25242966 30852514 33056265 39667518 42071610 46278771 63107415 66112530 77131285 92557542 99168795 126214830 138836313 154262570 198337590 231393855 277672626 462787710 694181565 1388363130