Search a number
-
+
12110102445 = 357222151929
BaseRepresentation
bin10110100011101000…
…10111111110101101
31011020222021221111210
423101310113332231
5144300141234240
65321401305033
7606046113060
oct132164277655
934228257453
1012110102445
115154923231
12241b795179
1311acc046bc
1482c4bc8d7
154ad26d780
hex2d1d17fad

12110102445 has 32 divisors (see below), whose sum is σ = 22154584320. Its totient is φ = 5533447680.

The previous prime is 12110102443. The next prime is 12110102461. The reversal of 12110102445 is 54420101121.

It is not a de Polignac number, because 12110102445 - 21 = 12110102443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110102443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207241 + ... + 259169.

It is an arithmetic number, because the mean of its divisors is an integer number (692330760).

Almost surely, 212110102445 is an apocalyptic number.

12110102445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12110102445 is a deficient number, since it is larger than the sum of its proper divisors (10044481875).

12110102445 is a wasteful number, since it uses less digits than its factorization.

12110102445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54165.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 12110102445 its reverse (54420101121), we get a palindrome (66530203566).

The spelling of 12110102445 in words is "twelve billion, one hundred ten million, one hundred two thousand, four hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 2221 6663 11105 15547 33315 46641 51929 77735 155787 233205 259645 363503 778935 1090509 1817515 5452545 115334309 346002927 576671545 807340163 1730014635 2422020489 4036700815 12110102445