Search a number
-
+
10212140323 = 721123823759
BaseRepresentation
bin10011000001011000…
…01110010100100011
3222100200221110221101
421200230032110203
5131403301442243
64405201335231
7511031521600
oct114054162443
928320843841
1010212140323
11437053a1a0
121b90037517
13c699355a8
146cc3c56a7
153eb81454d
hex260b0e523

10212140323 has 24 divisors (see below), whose sum is σ = 13522844160. Its totient is φ = 7611523920.

The previous prime is 10212140317. The next prime is 10212140327. The reversal of 10212140323 is 32304121201.

It is a happy number.

It is not a de Polignac number, because 10212140323 - 217 = 10212009251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10212140323.

It is not an unprimeable number, because it can be changed into a prime (10212140327) 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, 399483 + ... + 424276.

It is an arithmetic number, because the mean of its divisors is an integer number (563451840).

Almost surely, 210212140323 is an apocalyptic number.

10212140323 is a deficient number, since it is larger than the sum of its proper divisors (3310703837).

10212140323 is a wasteful number, since it uses less digits than its factorization.

10212140323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823807 (or 823800 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10212140323 its reverse (32304121201), we get a palindrome (42516261524).

The spelling of 10212140323 in words is "ten billion, two hundred twelve million, one hundred forty thousand, three hundred twenty-three".

Divisors: 1 7 11 23 49 77 161 253 539 1127 1771 12397 823759 5766313 9061349 18946457 40364191 63429443 132625199 208411027 444006101 928376393 1458877189 10212140323