Search a number
-
+
102123131241 = 3173196769039
BaseRepresentation
bin101111100011100000…
…0110101000101101001
3100202121010200120210010
41133013000311011221
53133122010144431
6114525325042133
710243464202335
oct1370700650551
9322533616703
10102123131241
113a34593301a
12179609b6349
139826639011
144d2b00c7c5
1529ca820846
hex17c7035169

102123131241 has 8 divisors (see below), whose sum is σ = 136951251840. Its totient is φ = 67688549072.

The previous prime is 102123131237. The next prime is 102123131251. The reversal of 102123131241 is 142131321201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102123131241 - 22 = 102123131237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102123131251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98384001 + ... + 98385038.

It is an arithmetic number, because the mean of its divisors is an integer number (17118906480).

Almost surely, 2102123131241 is an apocalyptic number.

It is an amenable number.

102123131241 is a deficient number, since it is larger than the sum of its proper divisors (34828120599).

102123131241 is a wasteful number, since it uses less digits than its factorization.

102123131241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196769215.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 102123131241 its reverse (142131321201), we get a palindrome (244254452442).

The spelling of 102123131241 in words is "one hundred two billion, one hundred twenty-three million, one hundred thirty-one thousand, two hundred forty-one".

Divisors: 1 3 173 519 196769039 590307117 34041043747 102123131241