Search a number
-
+
20031032212323 = 3112379145598699
BaseRepresentation
bin1001000110111110101101…
…00011110011101101100011
32121220221121002001020010220
410203133112203303231203
510111142023221243243
6110334043522054123
74135123436333046
oct443372643635543
977827532036126
1020031032212323
116423127526500
1222b61941aa343
13b23bc2483c52
144d37157dac5d
1524b0be405783
hex1237d68f3b63

20031032212323 has 24 divisors (see below), whose sum is σ = 29434233192000. Its totient is φ = 12107987725680.

The previous prime is 20031032212319. The next prime is 20031032212327. The reversal of 20031032212323 is 32321223013002.

It is an interprime number because it is at equal distance from previous prime (20031032212319) and next prime (20031032212327).

It is not a de Polignac number, because 20031032212323 - 22 = 20031032212319 is a prime.

It is a super-2 number, since 2×200310322123232 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20031032212293 and 20031032212302.

It is not an unprimeable number, because it can be changed into a prime (20031032212327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72661773 + ... + 72936926.

It is an arithmetic number, because the mean of its divisors is an integer number (1226426383000).

Almost surely, 220031032212323 is an apocalyptic number.

20031032212323 is a deficient number, since it is larger than the sum of its proper divisors (9403200979677).

20031032212323 is a wasteful number, since it uses less digits than its factorization.

20031032212323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145599103 (or 145599092 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20031032212323 its reverse (32321223013002), we get a palindrome (52352255225325).

The spelling of 20031032212323 in words is "twenty trillion, thirty-one billion, thirty-two million, two hundred twelve thousand, three hundred twenty-three".

Divisors: 1 3 11 33 121 363 379 1137 4169 12507 45859 137577 145598699 436796097 1601585689 4804757067 17617442579 52852327737 55181906921 165545720763 607000976131 1821002928393 6677010737441 20031032212323