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20101022000010 = 23257115127720577
BaseRepresentation
bin1001001001000001000100…
…10001101010001110001010
32122011122020210011211100200
410210200202101222032022
510113313343113000020
6110430140530113030
74143152030610150
oct444404221521612
978148223154320
1020101022000010
11644a882982946
12230786771b776
13b2a6977641c3
144d6c74d153d0
1524cd18b9a590
hex12482246a38a

20101022000010 has 96 divisors (see below), whose sum is σ = 59780646162432. Its totient is φ = 4590527385600.

The previous prime is 20101022000009. The next prime is 20101022000011. The reversal of 20101022000010 is 1000022010102.

It is an interprime number because it is at equal distance from previous prime (20101022000009) and next prime (20101022000011).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20101021999956 and 20101022000001.

It is not an unprimeable number, because it can be changed into a prime (20101022000011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13135159 + ... + 14585418.

It is an arithmetic number, because the mean of its divisors is an integer number (622715064192).

Almost surely, 220101022000010 is an apocalyptic number.

20101022000010 is an abundant number, since it is smaller than the sum of its proper divisors (39679624162422).

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

20101022000010 is a wasteful number, since it uses less digits than its factorization.

20101022000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27721748 (or 27721745 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20101022000010 its reverse (1000022010102), we get a palindrome (21101044010112).

The spelling of 20101022000010 in words is "twenty trillion, one hundred one billion, twenty-two million, ten", and thus it is an aban number.

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 1151 2302 3453 5755 6906 8057 10359 11510 16114 17265 20718 24171 34530 40285 48342 51795 72513 80570 103590 120855 145026 241710 362565 725130 27720577 55441154 83161731 138602885 166323462 194044039 249485193 277205770 388088078 415808655 498970386 582132117 831617310 970220195 1164264234 1247425965 1746396351 1940440390 2494851930 2910660585 3492792702 5821321170 8731981755 17463963510 31906384127 63812768254 95719152381 159531920635 191438304762 223344688889 287157457143 319063841270 446689377778 478595761905 574314914286 670034066667 957191523810 1116723444445 1340068133334 1435787285715 2010102200001 2233446888890 2871574571430 3350170333335 4020204400002 6700340666670 10050511000005 20101022000010