Search a number
-
+
103203110123212 = 2211127113111632809
BaseRepresentation
bin10111011101110011011000…
…101101111111011011001100
3111112102010021012010010012211
4113131303120231333123030
5102011334432142420322
61003254504305040204
730511115164023061
oct2735633055773314
9445363235103184
10103203110123212
112a97a21418a710
12b6a9554926064
13457801c4259b8
141b6b0b2c9ac68
15bde83a530b77
hex5ddcd8b7f6cc

103203110123212 has 48 divisors (see below), whose sum is σ = 198593167933440. Its totient is φ = 46536987369600.

The previous prime is 103203110123171. The next prime is 103203110123219. The reversal of 103203110123212 is 212321011302301.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (103203110123219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62389464 + ... + 64022272.

It is an arithmetic number, because the mean of its divisors is an integer number (4137357665280).

Almost surely, 2103203110123212 is an apocalyptic number.

It is an amenable number.

103203110123212 is a deficient number, since it is larger than the sum of its proper divisors (95390057810228).

103203110123212 is a wasteful number, since it uses less digits than its factorization.

103203110123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644262 (or 1644260 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 103203110123212 its reverse (212321011302301), we get a palindrome (315524121425513).

The spelling of 103203110123212 in words is "one hundred three trillion, two hundred three billion, one hundred ten million, one hundred twenty-three thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 127 254 508 1397 2794 5588 11311 22622 45244 124421 248842 497684 1436497 1632809 2872994 3265618 5745988 6531236 15801467 17960899 31602934 35921798 63205868 71843596 207366743 414733486 829466972 2281034173 4562068346 9124136692 18468702599 36937405198 73874810396 203155728589 406311457178 812622914356 2345525230073 4691050460146 9382100920292 25800777530803 51601555061606 103203110123212