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13100021130 = 2357253168143
BaseRepresentation
bin11000011001101001…
…00111010110001010
31020210222000000122210
430030310213112022
5203312101134010
610003522525550
7642426225300
oct141464472612
936728000583
1013100021130
115612690849
1226572068b6
13130a021cc1
148c3b64270
1551a10cb20
hex30cd2758a

13100021130 has 96 divisors (see below), whose sum is σ = 37263400704. Its totient is φ = 2937777024.

The previous prime is 13100021117. The next prime is 13100021131. The reversal of 13100021130 is 3112000131.

It is a super-2 number, since 2×131000211302 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13100021131) 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, 6162 + ... + 161981.

It is an arithmetic number, because the mean of its divisors is an integer number (388160424).

Almost surely, 213100021130 is an apocalyptic number.

13100021130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13100021130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18631700352).

13100021130 is an abundant number, since it is smaller than the sum of its proper divisors (24163379574).

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

13100021130 is a wasteful number, since it uses less digits than its factorization.

13100021130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168220 (or 168213 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 13100021130 its reverse (3112000131), we get a palindrome (16212021261).

The spelling of 13100021130 in words is "thirteen billion, one hundred million, twenty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 53 70 98 105 106 147 159 210 245 265 294 318 371 490 530 735 742 795 1113 1470 1590 1855 2226 2597 3710 5194 5565 7791 11130 12985 15582 25970 38955 77910 168143 336286 504429 840715 1008858 1177001 1681430 2354002 2522145 3531003 5044290 5885005 7062006 8239007 8911579 11770010 16478014 17655015 17823158 24717021 26734737 35310030 41195035 44557895 49434042 53469474 62381053 82390070 89115790 123585105 124762106 133673685 187143159 247170210 267347370 311905265 374286318 436667371 623810530 873334742 935715795 1310002113 1871431590 2183336855 2620004226 4366673710 6550010565 13100021130