Base | Representation |
---|---|
bin | 11101001111111110100… |
… | …101100111101100000101 |
3 | 21010011012211010111101220 |
4 | 131033332211213230011 |
5 | 230413010334030424 |
6 | 4135220233510553 |
7 | 265135123421220 |
oct | 35177645475405 |
9 | 7104184114356 |
10 | 2010021001989 |
11 | 7054994aaa10 |
12 | 28567bb72459 |
13 | 11770c6c6050 |
14 | 6d3dd71c5b7 |
15 | 37442b38579 |
hex | 1d3fe967b05 |
2010021001989 has 32 divisors (see below), whose sum is σ = 3598359281664. Its totient is φ = 963846233280.
The previous prime is 2010021001979. The next prime is 2010021001999. The reversal of 2010021001989 is 9891001200102.
It is an interprime number because it is at equal distance from previous prime (2010021001979) and next prime (2010021001999).
It is not a de Polignac number, because 2010021001989 - 27 = 2010021001861 is a prime.
It is a super-2 number, since 2×20100210019892 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2010021001979) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334665829 + ... + 334671834.
It is an arithmetic number, because the mean of its divisors is an integer number (112448727552).
Almost surely, 22010021001989 is an apocalyptic number.
It is an amenable number.
2010021001989 is a deficient number, since it is larger than the sum of its proper divisors (1588338279675).
2010021001989 is a wasteful number, since it uses less digits than its factorization.
2010021001989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 669337697.
The product of its (nonzero) digits is 2592, while the sum is 33.
The spelling of 2010021001989 in words is "two trillion, ten billion, twenty-one million, one thousand, nine hundred eighty-nine".
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