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11312013030 = 2358911337493
BaseRepresentation
bin10101000100011111…
…11001111011100110
31002012100112210122120
422202033321323212
5141131333404110
65110251410410
7550215344553
oct124217717346
932170483576
1011312013030
1148853778aa
122238453a06
1310b3770346
147944cda2a
15463172870
hex2a23f9ee6

11312013030 has 64 divisors (see below), whose sum is σ = 27697567680. Its totient is φ = 2956169216.

The previous prime is 11312013023. The next prime is 11312013043. The reversal of 11312013030 is 3031021311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282964 + ... + 320456.

It is an arithmetic number, because the mean of its divisors is an integer number (432774495).

Almost surely, 211312013030 is an apocalyptic number.

11312013030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312013030 is an abundant number, since it is smaller than the sum of its proper divisors (16385554650).

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

11312013030 is a wasteful number, since it uses less digits than its factorization.

11312013030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37705.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 11312013030 its reverse (3031021311), we get a palindrome (14343034341).

The spelling of 11312013030 in words is "eleven billion, three hundred twelve million, thirteen thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 89 113 178 226 267 339 445 534 565 678 890 1130 1335 1695 2670 3390 10057 20114 30171 37493 50285 60342 74986 100570 112479 150855 187465 224958 301710 374930 562395 1124790 3336877 4236709 6673754 8473418 10010631 12710127 16684385 20021262 21183545 25420254 33368770 42367090 50053155 63550635 100106310 127101270 377067101 754134202 1131201303 1885335505 2262402606 3770671010 5656006515 11312013030