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103231950193 = 234144097373
BaseRepresentation
bin110000000100100011…
…0101000110101110001
3100212110102010102102201
41200021012220311301
53142404334401233
6115231334543201
710313120045551
oct1401106506561
9325412112381
10103231950193
113a864821119
1218010207b01
139972286ac8
144dd43a5161
152a42d4977d
hex18091a8d71

103231950193 has 4 divisors (see below), whose sum is σ = 103276049908. Its totient is φ = 103187850480.

The previous prime is 103231950187. The next prime is 103231950197. The reversal of 103231950193 is 391059132301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 391059132301 = 1505325978817.

It can be written as a sum of positive squares in 2 ways, for example, as 63904300849 + 39327649344 = 252793^2 + 198312^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103231950193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103231950197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22046346 + ... + 22051027.

It is an arithmetic number, because the mean of its divisors is an integer number (25819012477).

Almost surely, 2103231950193 is an apocalyptic number.

It is an amenable number.

103231950193 is a deficient number, since it is larger than the sum of its proper divisors (44099715).

103231950193 is an equidigital number, since it uses as much as digits as its factorization.

103231950193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44099714.

The product of its (nonzero) digits is 21870, while the sum is 37.

The spelling of 103231950193 in words is "one hundred three billion, two hundred thirty-one million, nine hundred fifty thousand, one hundred ninety-three".

Divisors: 1 2341 44097373 103231950193