Search a number
-
+
210798897012 = 223311177440149
BaseRepresentation
bin1100010001010010010…
…1111110011101110100
3202011002221022111022000
43010110211332131310
511423204004201022
6240501211535300
721141536026524
oct3042445763564
9664087274260
10210798897012
1181443533380
1234a3015a530
1316b55694472
14a2ba3a3684
15573b53c6ac
hex311497e774

210798897012 has 48 divisors (see below), whose sum is σ = 596198904000. Its totient is φ = 63878453280.

The previous prime is 210798896983. The next prime is 210798897017.

210798897012 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 210798897012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210798897017) 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, 88718887 + ... + 88721262.

It is an arithmetic number, because the mean of its divisors is an integer number (12420810500).

Almost surely, 2210798897012 is an apocalyptic number.

210798897012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210798897012 is an abundant number, since it is smaller than the sum of its proper divisors (385400006988).

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

210798897012 is a wasteful number, since it uses less digits than its factorization.

210798897012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177440173 (or 177440165 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 54.

The spelling of 210798897012 in words is "two hundred ten billion, seven hundred ninety-eight million, eight hundred ninety-seven thousand, twelve".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 99 108 132 198 297 396 594 1188 177440149 354880298 532320447 709760596 1064640894 1596961341 1951841639 2129281788 3193922682 3903683278 4790884023 5855524917 6387845364 7807366556 9581768046 11711049834 17566574751 19163536092 23422099668 35133149502 52699724253 70266299004 105399448506 210798897012