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1243211300130 = 235787194927017
BaseRepresentation
bin10010000101110101001…
…010101111110100100010
311101211221112101121002210
4102011311022233310202
5130332044043101010
62351042352422550
7155550635456622
oct22056512576442
94354845347083
101243211300130
1143a274406488
12180b38b47a56
1390307a64357
14442593c2882
15225135a3b20
hex121752afd22

1243211300130 has 64 divisors (see below), whose sum is σ = 2989141833600. Its totient is φ = 330919632384.

The previous prime is 1243211300101. The next prime is 1243211300147. The reversal of 1243211300130 is 310031123421.

It is a junction number, because it is equal to n+sod(n) for n = 1243211300097 and 1243211300106.

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, 46002382 + ... + 46029398.

It is an arithmetic number, because the mean of its divisors is an integer number (46705341150).

Almost surely, 21243211300130 is an apocalyptic number.

1243211300130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1243211300130 is an abundant number, since it is smaller than the sum of its proper divisors (1745930533470).

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

1243211300130 is a wasteful number, since it uses less digits than its factorization.

1243211300130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29763.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1243211300130 its reverse (310031123421), we get a palindrome (1553242423551).

The spelling of 1243211300130 in words is "one trillion, two hundred forty-three billion, two hundred eleven million, three hundred thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 787 1574 1949 2361 3898 3935 4722 5847 7870 9745 11694 11805 19490 23610 27017 29235 54034 58470 81051 135085 162102 270170 405255 810510 1533863 3067726 4601589 7669315 9203178 15338630 21262379 23007945 42524758 46015890 52656133 63787137 105312266 106311895 127574274 157968399 212623790 263280665 315936798 318935685 526561330 637871370 789841995 1579683990 41440376671 82880753342 124321130013 207201883355 248642260026 414403766710 621605650065 1243211300130