Search a number
-
+
101210012021001 = 31341479171320947
BaseRepresentation
bin10111000000110011001010…
…110100000111000100001001
3111021100120201202102000002210
4113000303022310013010021
5101231211101034133001
6555131123155415333
730214116306465012
oct2700631264070411
9437316652360083
10101210012021001
112a280a1a278894
12b4272182b4549
1344620a8a69820
141adc83ad0c009
15ba7a8843edd6
hex5c0ccad07109

101210012021001 has 32 divisors (see below), whose sum is σ = 148874982092928. Its totient is φ = 60762670594560.

The previous prime is 101210012020963. The next prime is 101210012021017. The reversal of 101210012021001 is 100120210012101.

It is not a de Polignac number, because 101210012021001 - 29 = 101210012020489 is a prime.

It is a super-3 number, since 3×1012100120210013 (a number of 43 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101210012021801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75958810 + ... + 77279756.

It is an arithmetic number, because the mean of its divisors is an integer number (4652343190404).

Almost surely, 2101210012021001 is an apocalyptic number.

It is an amenable number.

101210012021001 is a deficient number, since it is larger than the sum of its proper divisors (47664970071927).

101210012021001 is a wasteful number, since it uses less digits than its factorization.

101210012021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368921.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101210012021001 its reverse (100120210012101), we get a palindrome (201330222033102).

The spelling of 101210012021001 in words is "one hundred one trillion, two hundred ten billion, twelve million, twenty-one thousand, one".

Divisors: 1 3 13 39 41 123 533 1599 47917 143751 622921 1320947 1868763 1964597 3962841 5893791 17172311 25539761 51516933 54158827 76619283 162476481 704064751 2112194253 63295817399 189887452197 822845626187 2468536878561 2595128513359 7785385540077 33736670673667 101210012021001