Search a number
-
+
20010023001010 = 2571783202592113
BaseRepresentation
bin1001000110010111100100…
…10100000001101110110010
32121211221100220111201020101
410203023302110001232302
510110321011342013020
6110320251101503014
74133451011102110
oct443136224015662
977757326451211
1020010023001010
116415226362049
1222b20b0271a6a
13b21c24995573
144d26c148aab0
1524a78ec8900a
hex1232f2501bb2

20010023001010 has 64 divisors (see below), whose sum is σ = 44109975796992. Its totient is φ = 6379220422656.

The previous prime is 20010023000977. The next prime is 20010023001043. The reversal of 20010023001010 is 1010032001002.

It is an interprime number because it is at equal distance from previous prime (20010023000977) and next prime (20010023001043).

It is a super-2 number, since 2×200100230010102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101197287 + ... + 101394826.

It is an arithmetic number, because the mean of its divisors is an integer number (689218371828).

Almost surely, 220010023001010 is an apocalyptic number.

20010023001010 is an abundant number, since it is smaller than the sum of its proper divisors (24099952795982).

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

20010023001010 is a wasteful number, since it uses less digits than its factorization.

20010023001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202592227.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20010023001010 its reverse (1010032001002), we get a palindrome (21020055002012).

The spelling of 20010023001010 in words is "twenty trillion, ten billion, twenty-three million, one thousand, ten".

Divisors: 1 2 5 7 10 14 17 34 35 70 83 85 119 166 170 238 415 581 595 830 1162 1190 1411 2822 2905 5810 7055 9877 14110 19754 49385 98770 202592113 405184226 1012960565 1418144791 2025921130 2836289582 3444065921 6888131842 7090723955 14181447910 16815145379 17220329605 24108461447 33630290758 34440659210 48216922894 84075726895 117706017653 120542307235 168151453790 235412035306 241084614470 285857471443 571714942886 588530088265 1177060176530 1429287357215 2001002300101 2858574714430 4002004600202 10005011500505 20010023001010