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212001203130 = 23560731163627
BaseRepresentation
bin1100010101110001000…
…0011010001110111010
3202021012201122222020020
43011130100122032322
511433134302000010
6241220401311310
721213405331263
oct3053420321672
9667181588206
10212001203130
1181a001747a2
1235106935536
1316cb77b54c2
14a391d3396a
1557abd81470
hex315c41a3ba

212001203130 has 32 divisors (see below), whose sum is σ = 508887105984. Its totient is φ = 56524296576.

The previous prime is 212001203111. The next prime is 212001203131. The reversal of 212001203130 is 31302100212.

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

It is not an unprimeable number, because it can be changed into a prime (212001203131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399624 + ... + 764003.

It is an arithmetic number, because the mean of its divisors is an integer number (15902722062).

Almost surely, 2212001203130 is an apocalyptic number.

212001203130 is an abundant number, since it is smaller than the sum of its proper divisors (296885902854).

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

212001203130 is a wasteful number, since it uses less digits than its factorization.

212001203130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169710.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 212001203130 its reverse (31302100212), we get a palindrome (243303303342).

The spelling of 212001203130 in words is "two hundred twelve billion, one million, two hundred three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 6073 12146 18219 30365 36438 60730 91095 182190 1163627 2327254 3490881 5818135 6981762 11636270 17454405 34908810 7066706771 14133413542 21200120313 35333533855 42400240626 70667067710 106000601565 212001203130